1620674

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 24

約数和(自身を含む): 2759484

約数和(自身を除く): 1138810

約数列:

[1, 2, 11, 22, 37, 74, 121, 181, 242, 362, 407, 814, 1991, 3982, 4477, 6697, 8954, 13394, 21901, 43802, 73667, 147334, 810337, 1620674]

約数ペア:

[(1, 1620674), (2, 810337), (11, 147334), (22, 73667), (37, 43802), (74, 21901), (121, 13394), (181, 8954), (242, 6697), (362, 4477), (407, 3982), (814, 1991)]