81383638

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 142758720

約数和(自身を除く): 61375082

約数列:

[1, 2, 7, 14, 61, 122, 233, 409, 427, 466, 818, 854, 1631, 2863, 3262, 5726, 14213, 24949, 28426, 49898, 95297, 99491, 174643, 190594, 198982, 349286, 667079, 1334158, 5813117, 11626234, 40691819, 81383638]

約数ペア:

[(1, 81383638), (2, 40691819), (7, 11626234), (14, 5813117), (61, 1334158), (122, 667079), (233, 349286), (409, 198982), (427, 190594), (466, 174643), (818, 99491), (854, 95297), (1631, 49898), (2863, 28426), (3262, 24949), (5726, 14213)]