1980477904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3992899}}^1$

素因数の和:3992938

約数の個数: 20

約数和(自身を含む): 3960956800

約数和(自身を除く): 1980478896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3992899, 7985798, 15971596, 31943192, 63886384, 123779869, 247559738, 495119476, 990238952, 1980477904]

約数ペア:

[(1, 1980477904), (2, 990238952), (4, 495119476), (8, 247559738), (16, 123779869), (31, 63886384), (62, 31943192), (124, 15971596), (248, 7985798), (496, 3992899)]