660001904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1330649}}^1$

素因数の和:1330688

約数の個数: 20

約数和(自身を含む): 1320004800

約数和(自身を除く): 660002896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1330649, 2661298, 5322596, 10645192, 21290384, 41250119, 82500238, 165000476, 330000952, 660001904]

約数ペア:

[(1, 660001904), (2, 330000952), (4, 165000476), (8, 82500238), (16, 41250119), (31, 21290384), (62, 10645192), (124, 5322596), (248, 2661298), (496, 1330649)]