157217718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 370225152

約数和(自身を除く): 213007434

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 263, 301, 331, 526, 602, 662, 789, 903, 993, 1578, 1806, 1841, 1986, 2317, 3682, 4634, 5523, 6951, 11046, 11309, 13902, 14233, 22618, 28466, 33927, 42699, 67854, 79163, 85398, 87053, 99631, 158326, 174106, 199262, 237489, 261159, 298893, 474978, 522318, 597786, 609371, 1218742, 1828113, 3656226, 3743279, 7486558, 11229837, 22459674, 26202953, 52405906, 78608859, 157217718]

約数ペア:

[(1, 157217718), (2, 78608859), (3, 52405906), (6, 26202953), (7, 22459674), (14, 11229837), (21, 7486558), (42, 3743279), (43, 3656226), (86, 1828113), (129, 1218742), (258, 609371), (263, 597786), (301, 522318), (331, 474978), (526, 298893), (602, 261159), (662, 237489), (789, 199262), (903, 174106), (993, 158326), (1578, 99631), (1806, 87053), (1841, 85398), (1986, 79163), (2317, 67854), (3682, 42699), (4634, 33927), (5523, 28466), (6951, 22618), (11046, 14233), (11309, 13902)]