668996888

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{80177}}^1$

素因数の和:80339

約数の個数: 32

約数和(自身を含む): 1443204000

約数和(自身を除く): 774207112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 4172, 8344, 80177, 160354, 320708, 561239, 641416, 1122478, 2244956, 4489912, 11946373, 23892746, 47785492, 83624611, 95570984, 167249222, 334498444, 668996888]

約数ペア:

[(1, 668996888), (2, 334498444), (4, 167249222), (7, 95570984), (8, 83624611), (14, 47785492), (28, 23892746), (56, 11946373), (149, 4489912), (298, 2244956), (596, 1122478), (1043, 641416), (1192, 561239), (2086, 320708), (4172, 160354), (8344, 80177)]