212618615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{124703}}^1$

素因数の和:124750

約数の個数: 16

約数和(自身を含む): 287318016

約数和(自身を除く): 74699401

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 124703, 623515, 1371733, 3865793, 6858665, 19328965, 42523723, 212618615]

約数ペア:

[(1, 212618615), (5, 42523723), (11, 19328965), (31, 6858665), (55, 3865793), (155, 1371733), (341, 623515), (1705, 124703)]