656771648

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{789389}}^1$

素因数の和:789414

約数の個数: 28

約数和(自身を含む): 1403535420

約数和(自身を除く): 746763772

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 789389, 1578778, 3157556, 6315112, 10262057, 12630224, 20524114, 25260448, 41048228, 50520896, 82096456, 164192912, 328385824, 656771648]

約数ペア:

[(1, 656771648), (2, 328385824), (4, 164192912), (8, 82096456), (13, 50520896), (16, 41048228), (26, 25260448), (32, 20524114), (52, 12630224), (64, 10262057), (104, 6315112), (208, 3157556), (416, 1578778), (832, 789389)]