664537168

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{1122529}}^1$

素因数の和:1122574

約数の個数: 20

約数和(自身を含む): 1322340340

約数和(自身を除く): 657803172

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1122529, 2245058, 4490116, 8980232, 17960464, 41533573, 83067146, 166134292, 332268584, 664537168]

約数ペア:

[(1, 664537168), (2, 332268584), (4, 166134292), (8, 83067146), (16, 41533573), (37, 17960464), (74, 8980232), (148, 4490116), (296, 2245058), (592, 1122529)]