1982781505

素因数分解:

$5^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1\times {\mathrm{4079}}^1$

素因数の和:4784

約数の個数: 16

約数和(自身を含む): 2397081600

約数和(自身を除く): 414300095

約数列:

[1, 5, 191, 509, 955, 2545, 4079, 20395, 97219, 486095, 779089, 2076211, 3895445, 10381055, 396556301, 1982781505]

約数ペア:

[(1, 1982781505), (5, 396556301), (191, 10381055), (509, 3895445), (955, 2076211), (2545, 779089), (4079, 486095), (20395, 97219)]