81615376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{379}}^1$

素因数の和:743

約数の個数: 40

約数和(自身を含む): 162752480

約数和(自身を除く): 81137104

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 313, 344, 379, 626, 688, 758, 1252, 1516, 2504, 3032, 5008, 6064, 13459, 16297, 26918, 32594, 53836, 65188, 107672, 118627, 130376, 215344, 237254, 260752, 474508, 949016, 1898032, 5100961, 10201922, 20403844, 40807688, 81615376]

約数ペア:

[(1, 81615376), (2, 40807688), (4, 20403844), (8, 10201922), (16, 5100961), (43, 1898032), (86, 949016), (172, 474508), (313, 260752), (344, 237254), (379, 215344), (626, 130376), (688, 118627), (758, 107672), (1252, 65188), (1516, 53836), (2504, 32594), (3032, 26918), (5008, 16297), (6064, 13459)]