28765814

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{16981}}^1$

素因数の和:17012

約数の個数: 24

約数和(自身を含む): 54206544

約数和(自身を除く): 25440730

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 16981, 33962, 118867, 186791, 237734, 373582, 1307537, 2054701, 2615074, 4109402, 14382907, 28765814]

約数ペア:

[(1, 28765814), (2, 14382907), (7, 4109402), (11, 2615074), (14, 2054701), (22, 1307537), (77, 373582), (121, 237734), (154, 186791), (242, 118867), (847, 33962), (1694, 16981)]