217980984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1151}}^1$

素因数の和:1780

約数の個数: 64

約数和(自身を含む): 588349440

約数和(自身を除く): 370368456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 607, 1151, 1214, 1821, 2302, 2428, 3453, 3642, 4604, 4856, 6906, 7284, 7891, 9208, 13812, 14568, 14963, 15782, 23673, 27624, 29926, 31564, 44889, 47346, 59852, 63128, 89778, 94692, 119704, 179556, 189384, 359112, 698657, 1397314, 2095971, 2794628, 4191942, 5589256, 8383884, 9082541, 16767768, 18165082, 27247623, 36330164, 54495246, 72660328, 108990492, 217980984]

約数ペア:

[(1, 217980984), (2, 108990492), (3, 72660328), (4, 54495246), (6, 36330164), (8, 27247623), (12, 18165082), (13, 16767768), (24, 9082541), (26, 8383884), (39, 5589256), (52, 4191942), (78, 2794628), (104, 2095971), (156, 1397314), (312, 698657), (607, 359112), (1151, 189384), (1214, 179556), (1821, 119704), (2302, 94692), (2428, 89778), (3453, 63128), (3642, 59852), (4604, 47346), (4856, 44889), (6906, 31564), (7284, 29926), (7891, 27624), (9208, 23673), (13812, 15782), (14568, 14963)]