1998103775

素因数分解:

$5^2\times {\mathrm{1031}}^1\times {\mathrm{77521}}^1$

素因数の和:78562

約数の個数: 12

約数和(自身を含む): 2480083824

約数和(自身を除く): 481980049

約数列:

[1, 5, 25, 1031, 5155, 25775, 77521, 387605, 1938025, 79924151, 399620755, 1998103775]

約数ペア:

[(1, 1998103775), (5, 399620755), (25, 79924151), (1031, 1938025), (5155, 387605), (25775, 77521)]