28447256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 60588000

約数和(自身を除く): 32140744

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 101, 109, 136, 152, 202, 218, 323, 404, 436, 646, 808, 872, 1292, 1717, 1853, 1919, 2071, 2584, 3434, 3706, 3838, 4142, 6868, 7412, 7676, 8284, 11009, 13736, 14824, 15352, 16568, 22018, 32623, 35207, 44036, 65246, 70414, 88072, 130492, 140828, 187153, 209171, 260984, 281656, 374306, 418342, 748612, 836684, 1497224, 1673368, 3555907, 7111814, 14223628, 28447256]

約数ペア:

[(1, 28447256), (2, 14223628), (4, 7111814), (8, 3555907), (17, 1673368), (19, 1497224), (34, 836684), (38, 748612), (68, 418342), (76, 374306), (101, 281656), (109, 260984), (136, 209171), (152, 187153), (202, 140828), (218, 130492), (323, 88072), (404, 70414), (436, 65246), (646, 44036), (808, 35207), (872, 32623), (1292, 22018), (1717, 16568), (1853, 15352), (1919, 14824), (2071, 13736), (2584, 11009), (3434, 8284), (3706, 7676), (3838, 7412), (4142, 6868)]