12721336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 25344000

約数和(自身を除く): 12622664

約数列:

[1, 2, 4, 8, 19, 38, 76, 127, 152, 254, 508, 659, 1016, 1318, 2413, 2636, 4826, 5272, 9652, 12521, 19304, 25042, 50084, 83693, 100168, 167386, 334772, 669544, 1590167, 3180334, 6360668, 12721336]

約数ペア:

[(1, 12721336), (2, 6360668), (4, 3180334), (8, 1590167), (19, 669544), (38, 334772), (76, 167386), (127, 100168), (152, 83693), (254, 50084), (508, 25042), (659, 19304), (1016, 12521), (1318, 9652), (2413, 5272), (2636, 4826)]