644892456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2066963}}^1$

素因数の和:2066985

約数の個数: 32

約数和(自身を含む): 1736249760

約数和(自身を除く): 1091357304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 2066963, 4133926, 6200889, 8267852, 12401778, 16535704, 24803556, 26870519, 49607112, 53741038, 80611557, 107482076, 161223114, 214964152, 322446228, 644892456]

約数ペア:

[(1, 644892456), (2, 322446228), (3, 214964152), (4, 161223114), (6, 107482076), (8, 80611557), (12, 53741038), (13, 49607112), (24, 26870519), (26, 24803556), (39, 16535704), (52, 12401778), (78, 8267852), (104, 6200889), (156, 4133926), (312, 2066963)]