139451039

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 178752000

約数和(自身を除く): 39300961

約数列:

[1, 7, 13, 37, 83, 91, 259, 481, 499, 581, 1079, 3071, 3367, 3493, 6487, 7553, 18463, 21497, 39923, 41417, 45409, 129241, 240019, 279461, 289919, 538421, 1532429, 1680133, 3768947, 10727003, 19921577, 139451039]

約数ペア:

[(1, 139451039), (7, 19921577), (13, 10727003), (37, 3768947), (83, 1680133), (91, 1532429), (259, 538421), (481, 289919), (499, 279461), (581, 240019), (1079, 129241), (3071, 45409), (3367, 41417), (3493, 39923), (6487, 21497), (7553, 18463)]