15661565995

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^2\times {\mathrm{1877}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 19339358544

約数和(自身を除く): 3677792549

約数列:

[1, 5, 43, 197, 215, 985, 1877, 8471, 9385, 38809, 42355, 80711, 194045, 369769, 403555, 1668787, 1848845, 8343935, 15900067, 72844493, 79500335, 364222465, 3132313199, 15661565995]

約数ペア:

[(1, 15661565995), (5, 3132313199), (43, 364222465), (197, 79500335), (215, 72844493), (985, 15900067), (1877, 8343935), (8471, 1848845), (9385, 1668787), (38809, 403555), (42355, 369769), (80711, 194045)]