81858322

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 157651200

約数和(自身を除く): 75792878

約数列:

[1, 2, 7, 13, 14, 26, 49, 67, 91, 98, 134, 137, 182, 274, 343, 469, 637, 686, 871, 938, 959, 1274, 1742, 1781, 1918, 3283, 3562, 4459, 6097, 6566, 6713, 8918, 9179, 12194, 12467, 13426, 18358, 22981, 24934, 42679, 45962, 46991, 64253, 85358, 87269, 93982, 119327, 128506, 174538, 238654, 298753, 449771, 597506, 610883, 835289, 899542, 1221766, 1670578, 3148397, 5847023, 6296794, 11694046, 40929161, 81858322]

約数ペア:

[(1, 81858322), (2, 40929161), (7, 11694046), (13, 6296794), (14, 5847023), (26, 3148397), (49, 1670578), (67, 1221766), (91, 899542), (98, 835289), (134, 610883), (137, 597506), (182, 449771), (274, 298753), (343, 238654), (469, 174538), (637, 128506), (686, 119327), (871, 93982), (938, 87269), (959, 85358), (1274, 64253), (1742, 46991), (1781, 45962), (1918, 42679), (3283, 24934), (3562, 22981), (4459, 18358), (6097, 13426), (6566, 12467), (6713, 12194), (8918, 9179)]