31191084

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1531

約数の個数: 72

約数和(自身を含む): 85729280

約数和(自身を除く): 54538196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1471, 1767, 2356, 2942, 3534, 4413, 5301, 5884, 7068, 8826, 10602, 13239, 17652, 21204, 26478, 27949, 45601, 52956, 55898, 83847, 91202, 111796, 136803, 167694, 182404, 251541, 273606, 335388, 410409, 503082, 547212, 820818, 866419, 1006164, 1641636, 1732838, 2599257, 3465676, 5198514, 7797771, 10397028, 15595542, 31191084]

約数ペア:

[(1, 31191084), (2, 15595542), (3, 10397028), (4, 7797771), (6, 5198514), (9, 3465676), (12, 2599257), (18, 1732838), (19, 1641636), (31, 1006164), (36, 866419), (38, 820818), (57, 547212), (62, 503082), (76, 410409), (93, 335388), (114, 273606), (124, 251541), (171, 182404), (186, 167694), (228, 136803), (279, 111796), (342, 91202), (372, 83847), (558, 55898), (589, 52956), (684, 45601), (1116, 27949), (1178, 26478), (1471, 21204), (1767, 17652), (2356, 13239), (2942, 10602), (3534, 8826), (4413, 7068), (5301, 5884)]