91806988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 203509152

約数和(自身を除く): 111702164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 137, 182, 196, 263, 274, 364, 526, 548, 637, 959, 1052, 1274, 1781, 1841, 1918, 2548, 3419, 3562, 3682, 3836, 6713, 6838, 7124, 7364, 12467, 12887, 13426, 13676, 23933, 24934, 25774, 26852, 36031, 47866, 49868, 51548, 72062, 87269, 95732, 144124, 167531, 174538, 252217, 335062, 349076, 468403, 504434, 670124, 936806, 1008868, 1765519, 1873612, 3278821, 3531038, 6557642, 7062076, 13115284, 22951747, 45903494, 91806988]

約数ペア:

[(1, 91806988), (2, 45903494), (4, 22951747), (7, 13115284), (13, 7062076), (14, 6557642), (26, 3531038), (28, 3278821), (49, 1873612), (52, 1765519), (91, 1008868), (98, 936806), (137, 670124), (182, 504434), (196, 468403), (263, 349076), (274, 335062), (364, 252217), (526, 174538), (548, 167531), (637, 144124), (959, 95732), (1052, 87269), (1274, 72062), (1781, 51548), (1841, 49868), (1918, 47866), (2548, 36031), (3419, 26852), (3562, 25774), (3682, 24934), (3836, 23933), (6713, 13676), (6838, 13426), (7124, 12887), (7364, 12467)]