15972649

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 21565440

約数和(自身を除く): 5592791

約数列:

[1, 7, 11, 23, 29, 77, 161, 203, 253, 311, 319, 667, 1771, 2177, 2233, 3421, 4669, 7153, 7337, 9019, 23947, 50071, 51359, 63133, 78683, 99209, 207437, 550781, 694463, 1452059, 2281807, 15972649]

約数ペア:

[(1, 15972649), (7, 2281807), (11, 1452059), (23, 694463), (29, 550781), (77, 207437), (161, 99209), (203, 78683), (253, 63133), (311, 51359), (319, 50071), (667, 23947), (1771, 9019), (2177, 7337), (2233, 7153), (3421, 4669)]