208519190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{26699}}^1$

素因数の和:26788

約数の個数: 32

約数和(自身を含む): 415238400

約数和(自身を除く): 206719210

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 26699, 53398, 133495, 266990, 293689, 587378, 1468445, 1895629, 2936890, 3791258, 9478145, 18956290, 20851919, 41703838, 104259595, 208519190]

約数ペア:

[(1, 208519190), (2, 104259595), (5, 41703838), (10, 20851919), (11, 18956290), (22, 9478145), (55, 3791258), (71, 2936890), (110, 1895629), (142, 1468445), (355, 587378), (710, 293689), (781, 266990), (1562, 133495), (3905, 53398), (7810, 26699)]