638961072

素因数分解:

$2^4\times 3^1\times {\mathrm{13311689}}^1$

素因数の和:13311700

約数の個数: 20

約数和(自身を含む): 1650649560

約数和(自身を除く): 1011688488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13311689, 26623378, 39935067, 53246756, 79870134, 106493512, 159740268, 212987024, 319480536, 638961072]

約数ペア:

[(1, 638961072), (2, 319480536), (3, 212987024), (4, 159740268), (6, 106493512), (8, 79870134), (12, 53246756), (16, 39935067), (24, 26623378), (48, 13311689)]