64637768

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47809}}^1$

素因数の和:47841

約数の個数: 24

約数和(自身を含む): 131238450

約数和(自身を除く): 66600682

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 47809, 95618, 191236, 382472, 621517, 1243034, 2486068, 4972136, 8079721, 16159442, 32318884, 64637768]

約数ペア:

[(1, 64637768), (2, 32318884), (4, 16159442), (8, 8079721), (13, 4972136), (26, 2486068), (52, 1243034), (104, 621517), (169, 382472), (338, 191236), (676, 95618), (1352, 47809)]