211936615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{124303}}^1$

素因数の和:124350

約数の個数: 16

約数和(自身を含む): 286396416

約数和(自身を除く): 74459801

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 124303, 621515, 1367333, 3853393, 6836665, 19266965, 42387323, 211936615]

約数ペア:

[(1, 211936615), (5, 42387323), (11, 19266965), (31, 6836665), (55, 3853393), (155, 1367333), (341, 621515), (1705, 124303)]