628391824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1266919}}^1$

素因数の和:1266958

約数の個数: 20

約数和(自身を含む): 1256784640

約数和(自身を除く): 628392816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1266919, 2533838, 5067676, 10135352, 20270704, 39274489, 78548978, 157097956, 314195912, 628391824]

約数ペア:

[(1, 628391824), (2, 314195912), (4, 157097956), (8, 78548978), (16, 39274489), (31, 20270704), (62, 10135352), (124, 5067676), (248, 2533838), (496, 1266919)]