891485786

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{677}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 1407462912

約数和(自身を除く): 515977126

約数列:

[1, 2, 31, 62, 67, 134, 317, 634, 677, 1354, 2077, 4154, 9827, 19654, 20987, 21239, 41974, 42478, 45359, 90718, 214609, 429218, 658409, 1316818, 1406129, 2812258, 6652879, 13305758, 14378803, 28757606, 445742893, 891485786]

約数ペア:

[(1, 891485786), (2, 445742893), (31, 28757606), (62, 14378803), (67, 13305758), (134, 6652879), (317, 2812258), (634, 1406129), (677, 1316818), (1354, 658409), (2077, 429218), (4154, 214609), (9827, 90718), (19654, 45359), (20987, 42478), (21239, 41974)]