25197172

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 39153548

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 29, 31, 44, 49, 52, 58, 62, 77, 91, 98, 116, 124, 143, 154, 182, 196, 203, 217, 286, 308, 319, 341, 364, 377, 403, 406, 434, 539, 572, 637, 638, 682, 754, 806, 812, 868, 899, 1001, 1078, 1274, 1276, 1364, 1421, 1508, 1519, 1612, 1798, 2002, 2156, 2233, 2387, 2548, 2639, 2821, 2842, 3038, 3596, 4004, 4147, 4433, 4466, 4774, 5278, 5642, 5684, 6076, 6293, 7007, 8294, 8866, 8932, 9548, 9889, 10556, 11284, 11687, 12586, 14014, 15631, 16588, 16709, 17732, 18473, 19747, 19778, 23374, 25172, 28028, 29029, 31031, 31262, 33418, 36946, 39494, 39556, 44051, 46748, 58058, 62062, 62524, 66836, 69223, 73892, 78988, 81809, 88102, 116116, 124124, 128557, 138446, 163618, 176204, 203203, 217217, 257114, 276892, 327236, 406406, 434434, 484561, 514228, 572663, 812812, 868868, 899899, 969122, 1145326, 1799798, 1938244, 2290652, 3599596, 6299293, 12598586, 25197172]

約数ペア:

[(1, 25197172), (2, 12598586), (4, 6299293), (7, 3599596), (11, 2290652), (13, 1938244), (14, 1799798), (22, 1145326), (26, 969122), (28, 899899), (29, 868868), (31, 812812), (44, 572663), (49, 514228), (52, 484561), (58, 434434), (62, 406406), (77, 327236), (91, 276892), (98, 257114), (116, 217217), (124, 203203), (143, 176204), (154, 163618), (182, 138446), (196, 128557), (203, 124124), (217, 116116), (286, 88102), (308, 81809), (319, 78988), (341, 73892), (364, 69223), (377, 66836), (403, 62524), (406, 62062), (434, 58058), (539, 46748), (572, 44051), (637, 39556), (638, 39494), (682, 36946), (754, 33418), (806, 31262), (812, 31031), (868, 29029), (899, 28028), (1001, 25172), (1078, 23374), (1274, 19778), (1276, 19747), (1364, 18473), (1421, 17732), (1508, 16709), (1519, 16588), (1612, 15631), (1798, 14014), (2002, 12586), (2156, 11687), (2233, 11284), (2387, 10556), (2548, 9889), (2639, 9548), (2821, 8932), (2842, 8866), (3038, 8294), (3596, 7007), (4004, 6293), (4147, 6076), (4433, 5684), (4466, 5642), (4774, 5278)]