2638922864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{5320409}}^1$

素因数の和:5320448

約数の個数: 20

約数和(自身を含む): 5277846720

約数和(自身を除く): 2638923856

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 5320409, 10640818, 21281636, 42563272, 85126544, 164932679, 329865358, 659730716, 1319461432, 2638922864]

約数ペア:

[(1, 2638922864), (2, 1319461432), (4, 659730716), (8, 329865358), (16, 164932679), (31, 85126544), (62, 42563272), (124, 21281636), (248, 10640818), (496, 5320409)]