81581010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{388481}}^1$

素因数の和:388498

約数の個数: 32

約数和(自身を含む): 223765632

約数和(自身を除く): 142184622

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 388481, 776962, 1165443, 1942405, 2330886, 2719367, 3884810, 5438734, 5827215, 8158101, 11654430, 13596835, 16316202, 27193670, 40790505, 81581010]

約数ペア:

[(1, 81581010), (2, 40790505), (3, 27193670), (5, 16316202), (6, 13596835), (7, 11654430), (10, 8158101), (14, 5827215), (15, 5438734), (21, 3884810), (30, 2719367), (35, 2330886), (42, 1942405), (70, 1165443), (105, 776962), (210, 388481)]