643678416

素因数分解:

$2^4\times 3^2\times {\mathrm{4469989}}^1$

素因数の和:4470003

約数の個数: 30

約数和(自身を含む): 1801405970

約数和(自身を除く): 1157727554

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4469989, 8939978, 13409967, 17879956, 26819934, 35759912, 40229901, 53639868, 71519824, 80459802, 107279736, 160919604, 214559472, 321839208, 643678416]

約数ペア:

[(1, 643678416), (2, 321839208), (3, 214559472), (4, 160919604), (6, 107279736), (8, 80459802), (9, 71519824), (12, 53639868), (16, 40229901), (18, 35759912), (24, 26819934), (36, 17879956), (48, 13409967), (72, 8939978), (144, 4469989)]