397398968

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{1129}}^1\times {\mathrm{1913}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 778615200

約数和(自身を除く): 381216232

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 1129, 1913, 2258, 3826, 4516, 7652, 9032, 15304, 25967, 43999, 51934, 87998, 103868, 175996, 207736, 351992, 2159777, 4319554, 8639108, 17278216, 49674871, 99349742, 198699484, 397398968]

約数ペア:

[(1, 397398968), (2, 198699484), (4, 99349742), (8, 49674871), (23, 17278216), (46, 8639108), (92, 4319554), (184, 2159777), (1129, 351992), (1913, 207736), (2258, 175996), (3826, 103868), (4516, 87998), (7652, 51934), (9032, 43999), (15304, 25967)]