38889025

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3643}}^1$

素因数の和:3721

約数の個数: 24

約数和(自身を含む): 56030144

約数和(自身を除く): 17141119

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 3643, 10675, 18215, 25501, 91075, 127505, 222223, 637525, 1111115, 1555561, 5555575, 7777805, 38889025]

約数ペア:

[(1, 38889025), (5, 7777805), (7, 5555575), (25, 1555561), (35, 1111115), (61, 637525), (175, 222223), (305, 127505), (427, 91075), (1525, 25501), (2135, 18215), (3643, 10675)]