87474401

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{19867}}^1$

素因数の和:19928

約数の個数: 16

約数和(自身を含む): 108717696

約数和(自身を除く): 21243295

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 19867, 139069, 337739, 735079, 2364173, 5145553, 12496343, 87474401]

約数ペア:

[(1, 87474401), (7, 12496343), (17, 5145553), (37, 2364173), (119, 735079), (259, 337739), (629, 139069), (4403, 19867)]