215685972

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1231}}^1$

素因数の和:1429

約数の個数: 72

約数和(自身を含む): 566838272

約数和(自身を除く): 351152300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 157, 186, 279, 314, 372, 471, 558, 628, 942, 1116, 1231, 1413, 1884, 2462, 2826, 3693, 4867, 4924, 5652, 7386, 9734, 11079, 14601, 14772, 19468, 22158, 29202, 38161, 43803, 44316, 58404, 76322, 87606, 114483, 152644, 175212, 193267, 228966, 343449, 386534, 457932, 579801, 686898, 773068, 1159602, 1373796, 1739403, 2319204, 3478806, 5991277, 6957612, 11982554, 17973831, 23965108, 35947662, 53921493, 71895324, 107842986, 215685972]

約数ペア:

[(1, 215685972), (2, 107842986), (3, 71895324), (4, 53921493), (6, 35947662), (9, 23965108), (12, 17973831), (18, 11982554), (31, 6957612), (36, 5991277), (62, 3478806), (93, 2319204), (124, 1739403), (157, 1373796), (186, 1159602), (279, 773068), (314, 686898), (372, 579801), (471, 457932), (558, 386534), (628, 343449), (942, 228966), (1116, 193267), (1231, 175212), (1413, 152644), (1884, 114483), (2462, 87606), (2826, 76322), (3693, 58404), (4867, 44316), (4924, 43803), (5652, 38161), (7386, 29202), (9734, 22158), (11079, 19468), (14601, 14772)]