31911152

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 80744832

約数和(自身を除く): 48833680

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 101, 104, 112, 124, 182, 196, 202, 208, 217, 248, 364, 392, 403, 404, 434, 496, 637, 707, 728, 784, 806, 808, 868, 1274, 1313, 1414, 1456, 1519, 1612, 1616, 1736, 2548, 2626, 2821, 2828, 3038, 3131, 3224, 3472, 4949, 5096, 5252, 5642, 5656, 6076, 6262, 6448, 9191, 9898, 10192, 10504, 11284, 11312, 12152, 12524, 18382, 19747, 19796, 21008, 21917, 22568, 24304, 25048, 36764, 39494, 39592, 40703, 43834, 45136, 50096, 64337, 73528, 78988, 79184, 81406, 87668, 128674, 147056, 153419, 157976, 162812, 175336, 257348, 284921, 306838, 315952, 325624, 350672, 514696, 569842, 613676, 651248, 1029392, 1139684, 1227352, 1994447, 2279368, 2454704, 3988894, 4558736, 7977788, 15955576, 31911152]

約数ペア:

[(1, 31911152), (2, 15955576), (4, 7977788), (7, 4558736), (8, 3988894), (13, 2454704), (14, 2279368), (16, 1994447), (26, 1227352), (28, 1139684), (31, 1029392), (49, 651248), (52, 613676), (56, 569842), (62, 514696), (91, 350672), (98, 325624), (101, 315952), (104, 306838), (112, 284921), (124, 257348), (182, 175336), (196, 162812), (202, 157976), (208, 153419), (217, 147056), (248, 128674), (364, 87668), (392, 81406), (403, 79184), (404, 78988), (434, 73528), (496, 64337), (637, 50096), (707, 45136), (728, 43834), (784, 40703), (806, 39592), (808, 39494), (868, 36764), (1274, 25048), (1313, 24304), (1414, 22568), (1456, 21917), (1519, 21008), (1612, 19796), (1616, 19747), (1736, 18382), (2548, 12524), (2626, 12152), (2821, 11312), (2828, 11284), (3038, 10504), (3131, 10192), (3224, 9898), (3472, 9191), (4949, 6448), (5096, 6262), (5252, 6076), (5642, 5656)]