19970291075

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4961563}}^1$

素因数の和:4961603

約数の個数: 24

約数和(自身を含む): 29531228928

約数和(自身を除く): 9560937853

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 4961563, 24807815, 34730941, 114115949, 124039075, 173654705, 570579745, 798811643, 868273525, 2852898725, 3994058215, 19970291075]

約数ペア:

[(1, 19970291075), (5, 3994058215), (7, 2852898725), (23, 868273525), (25, 798811643), (35, 570579745), (115, 173654705), (161, 124039075), (175, 114115949), (575, 34730941), (805, 24807815), (4025, 4961563)]