31911396

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 85100064

約数和(自身を除く): 53188668

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 457, 506, 529, 759, 914, 1012, 1058, 1371, 1518, 1587, 1828, 2116, 2742, 3036, 3174, 5027, 5484, 5819, 6348, 10054, 10511, 11638, 15081, 17457, 20108, 21022, 23276, 30162, 31533, 34914, 42044, 60324, 63066, 69828, 115621, 126132, 231242, 241753, 346863, 462484, 483506, 693726, 725259, 967012, 1387452, 1450518, 2659283, 2901036, 5318566, 7977849, 10637132, 15955698, 31911396]

約数ペア:

[(1, 31911396), (2, 15955698), (3, 10637132), (4, 7977849), (6, 5318566), (11, 2901036), (12, 2659283), (22, 1450518), (23, 1387452), (33, 967012), (44, 725259), (46, 693726), (66, 483506), (69, 462484), (92, 346863), (132, 241753), (138, 231242), (253, 126132), (276, 115621), (457, 69828), (506, 63066), (529, 60324), (759, 42044), (914, 34914), (1012, 31533), (1058, 30162), (1371, 23276), (1518, 21022), (1587, 20108), (1828, 17457), (2116, 15081), (2742, 11638), (3036, 10511), (3174, 10054), (5027, 6348), (5484, 5819)]