1397305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 2145024

約数和(自身を除く): 747719

約数列:

[1, 5, 7, 13, 35, 37, 65, 83, 91, 185, 259, 415, 455, 481, 581, 1079, 1295, 2405, 2905, 3071, 3367, 5395, 7553, 15355, 16835, 21497, 37765, 39923, 107485, 199615, 279461, 1397305]

約数ペア:

[(1, 1397305), (5, 279461), (7, 199615), (13, 107485), (35, 39923), (37, 37765), (65, 21497), (83, 16835), (91, 15355), (185, 7553), (259, 5395), (415, 3367), (455, 3071), (481, 2905), (581, 2405), (1079, 1295)]