217987396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2579}}^1$

素因数の和:2724

約数の個数: 48

約数和(自身を含む): 444709440

約数和(自身を除く): 226722044

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 113, 187, 226, 374, 452, 748, 1243, 1921, 2486, 2579, 3842, 4972, 5158, 7684, 10316, 21131, 28369, 42262, 43843, 56738, 84524, 87686, 113476, 175372, 291427, 482273, 582854, 964546, 1165708, 1929092, 3205697, 4954259, 6411394, 9908518, 12822788, 19817036, 54496849, 108993698, 217987396]

約数ペア:

[(1, 217987396), (2, 108993698), (4, 54496849), (11, 19817036), (17, 12822788), (22, 9908518), (34, 6411394), (44, 4954259), (68, 3205697), (113, 1929092), (187, 1165708), (226, 964546), (374, 582854), (452, 482273), (748, 291427), (1243, 175372), (1921, 113476), (2486, 87686), (2579, 84524), (3842, 56738), (4972, 43843), (5158, 42262), (7684, 28369), (10316, 21131)]