81378122

素因数分解:

$2^1\times 7^3\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 143184000

約数和(自身を除く): 61805878

約数列:

[1, 2, 7, 14, 49, 98, 313, 343, 379, 626, 686, 758, 2191, 2653, 4382, 5306, 15337, 18571, 30674, 37142, 107359, 118627, 129997, 214718, 237254, 259994, 830389, 1660778, 5812723, 11625446, 40689061, 81378122]

約数ペア:

[(1, 81378122), (2, 40689061), (7, 11625446), (14, 5812723), (49, 1660778), (98, 830389), (313, 259994), (343, 237254), (379, 214718), (626, 129997), (686, 118627), (758, 107359), (2191, 37142), (2653, 30674), (4382, 18571), (5306, 15337)]