66312272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{318809}}^1$

素因数の和:318830

約数の個数: 20

約数和(自身を含む): 138363540

約数和(自身を除く): 72051268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 318809, 637618, 1275236, 2550472, 4144517, 5100944, 8289034, 16578068, 33156136, 66312272]

約数ペア:

[(1, 66312272), (2, 33156136), (4, 16578068), (8, 8289034), (13, 5100944), (16, 4144517), (26, 2550472), (52, 1275236), (104, 637618), (208, 318809)]