868868

素因数分解:

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

素因数の和:73

約数の個数: 72

約数和(自身を含む): 2145024

約数和(自身を除く): 1276156

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 49, 52, 62, 77, 91, 98, 124, 143, 154, 182, 196, 217, 286, 308, 341, 364, 403, 434, 539, 572, 637, 682, 806, 868, 1001, 1078, 1274, 1364, 1519, 1612, 2002, 2156, 2387, 2548, 2821, 3038, 4004, 4433, 4774, 5642, 6076, 7007, 8866, 9548, 11284, 14014, 16709, 17732, 19747, 28028, 31031, 33418, 39494, 62062, 66836, 78988, 124124, 217217, 434434, 868868]

約数ペア:

[(1, 868868), (2, 434434), (4, 217217), (7, 124124), (11, 78988), (13, 66836), (14, 62062), (22, 39494), (26, 33418), (28, 31031), (31, 28028), (44, 19747), (49, 17732), (52, 16709), (62, 14014), (77, 11284), (91, 9548), (98, 8866), (124, 7007), (143, 6076), (154, 5642), (182, 4774), (196, 4433), (217, 4004), (286, 3038), (308, 2821), (341, 2548), (364, 2387), (403, 2156), (434, 2002), (539, 1612), (572, 1519), (637, 1364), (682, 1274), (806, 1078), (868, 1001)]