406937648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1956431}}^1$

素因数の和:1956452

約数の個数: 20

約数和(自身を含む): 849091488

約数和(自身を除く): 442153840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1956431, 3912862, 7825724, 15651448, 25433603, 31302896, 50867206, 101734412, 203468824, 406937648]

約数ペア:

[(1, 406937648), (2, 203468824), (4, 101734412), (8, 50867206), (13, 31302896), (16, 25433603), (26, 15651448), (52, 7825724), (104, 3912862), (208, 1956431)]