81931876

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{6379}}^1$

素因数の和:6428

約数の個数: 36

約数和(自身を含む): 163455600

約数和(自身を除く): 81523724

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6379, 6422, 12758, 12844, 25516, 82927, 121201, 165854, 242402, 331708, 484804, 1078051, 1575613, 2156102, 3151226, 4312204, 6302452, 20482969, 40965938, 81931876]

約数ペア:

[(1, 81931876), (2, 40965938), (4, 20482969), (13, 6302452), (19, 4312204), (26, 3151226), (38, 2156102), (52, 1575613), (76, 1078051), (169, 484804), (247, 331708), (338, 242402), (494, 165854), (676, 121201), (988, 82927), (3211, 25516), (6379, 12844), (6422, 12758)]