81043672

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2351}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 158054400

約数和(自身を除く): 77010728

約数列:

[1, 2, 4, 8, 31, 62, 124, 139, 248, 278, 556, 1112, 2351, 4309, 4702, 8618, 9404, 17236, 18808, 34472, 72881, 145762, 291524, 326789, 583048, 653578, 1307156, 2614312, 10130459, 20260918, 40521836, 81043672]

約数ペア:

[(1, 81043672), (2, 40521836), (4, 20260918), (8, 10130459), (31, 2614312), (62, 1307156), (124, 653578), (139, 583048), (248, 326789), (278, 291524), (556, 145762), (1112, 72881), (2351, 34472), (4309, 18808), (4702, 17236), (8618, 9404)]