81334904

素因数分解:

$2^3\times 7^3\times {\mathrm{29641}}^1$

素因数の和:29668

約数の個数: 32

約数和(自身を含む): 177852000

約数和(自身を除く): 96517096

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 29641, 59282, 118564, 207487, 237128, 414974, 829948, 1452409, 1659896, 2904818, 5809636, 10166863, 11619272, 20333726, 40667452, 81334904]

約数ペア:

[(1, 81334904), (2, 40667452), (4, 20333726), (7, 11619272), (8, 10166863), (14, 5809636), (28, 2904818), (49, 1659896), (56, 1452409), (98, 829948), (196, 414974), (343, 237128), (392, 207487), (686, 118564), (1372, 59282), (2744, 29641)]