1285608688

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:392

約数の個数: 180

約数和(自身を含む): 3249131328

約数和(自身を除く): 1963522640

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 169, 182, 196, 208, 217, 248, 313, 338, 364, 392, 403, 434, 496, 626, 637, 676, 728, 784, 806, 868, 1183, 1252, 1274, 1352, 1456, 1519, 1612, 1736, 2191, 2366, 2504, 2548, 2704, 2821, 3038, 3224, 3472, 4069, 4382, 4732, 5008, 5096, 5239, 5642, 6076, 6448, 8138, 8281, 8764, 9464, 9703, 10192, 10478, 11284, 12152, 15337, 16276, 16562, 17528, 18928, 19406, 19747, 20956, 22568, 24304, 28483, 30674, 32552, 33124, 35056, 36673, 38812, 39494, 41912, 45136, 52897, 56966, 61348, 65104, 66248, 67921, 73346, 77624, 78988, 83824, 105794, 113932, 122696, 126139, 132496, 135842, 146692, 155248, 157976, 199381, 211588, 227864, 245392, 252278, 256711, 271684, 293384, 315952, 370279, 398762, 423176, 455728, 475447, 504556, 513422, 543368, 586768, 740558, 797524, 846352, 882973, 950894, 1009112, 1026844, 1086736, 1481116, 1595048, 1639807, 1765946, 1901788, 2018224, 2053688, 2591953, 2962232, 3190096, 3279614, 3531892, 3803576, 4107376, 5183906, 5924464, 6180811, 6559228, 7063784, 7607152, 10367812, 11478649, 12361622, 13118456, 14127568, 20735624, 22957298, 24723244, 26236912, 41471248, 45914596, 49446488, 80350543, 91829192, 98892976, 160701086, 183658384, 321402172, 642804344, 1285608688]

約数ペア:

[(1, 1285608688), (2, 642804344), (4, 321402172), (7, 183658384), (8, 160701086), (13, 98892976), (14, 91829192), (16, 80350543), (26, 49446488), (28, 45914596), (31, 41471248), (49, 26236912), (52, 24723244), (56, 22957298), (62, 20735624), (91, 14127568), (98, 13118456), (104, 12361622), (112, 11478649), (124, 10367812), (169, 7607152), (182, 7063784), (196, 6559228), (208, 6180811), (217, 5924464), (248, 5183906), (313, 4107376), (338, 3803576), (364, 3531892), (392, 3279614), (403, 3190096), (434, 2962232), (496, 2591953), (626, 2053688), (637, 2018224), (676, 1901788), (728, 1765946), (784, 1639807), (806, 1595048), (868, 1481116), (1183, 1086736), (1252, 1026844), (1274, 1009112), (1352, 950894), (1456, 882973), (1519, 846352), (1612, 797524), (1736, 740558), (2191, 586768), (2366, 543368), (2504, 513422), (2548, 504556), (2704, 475447), (2821, 455728), (3038, 423176), (3224, 398762), (3472, 370279), (4069, 315952), (4382, 293384), (4732, 271684), (5008, 256711), (5096, 252278), (5239, 245392), (5642, 227864), (6076, 211588), (6448, 199381), (8138, 157976), (8281, 155248), (8764, 146692), (9464, 135842), (9703, 132496), (10192, 126139), (10478, 122696), (11284, 113932), (12152, 105794), (15337, 83824), (16276, 78988), (16562, 77624), (17528, 73346), (18928, 67921), (19406, 66248), (19747, 65104), (20956, 61348), (22568, 56966), (24304, 52897), (28483, 45136), (30674, 41912), (32552, 39494), (33124, 38812), (35056, 36673)]