1277153968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{161911}}^1$

素因数の和:161965

約数の個数: 40

約数和(自身を含む): 2710406880

約数和(自身を除く): 1433252912

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 3944, 7888, 161911, 323822, 647644, 1295288, 2590576, 2752487, 4695419, 5504974, 9390838, 11009948, 18781676, 22019896, 37563352, 44039792, 75126704, 79822123, 159644246, 319288492, 638576984, 1277153968]

約数ペア:

[(1, 1277153968), (2, 638576984), (4, 319288492), (8, 159644246), (16, 79822123), (17, 75126704), (29, 44039792), (34, 37563352), (58, 22019896), (68, 18781676), (116, 11009948), (136, 9390838), (232, 5504974), (272, 4695419), (464, 2752487), (493, 2590576), (986, 1295288), (1972, 647644), (3944, 323822), (7888, 161911)]