211976390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{152501}}^1$

素因数の和:152647

約数の個数: 16

約数和(自身を含む): 384305040

約数和(自身を除く): 172328650

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 152501, 305002, 762505, 1525010, 21197639, 42395278, 105988195, 211976390]

約数ペア:

[(1, 211976390), (2, 105988195), (5, 42395278), (10, 21197639), (139, 1525010), (278, 762505), (695, 305002), (1390, 152501)]