61858225

素因数分解:

$5^2\times {\mathrm{11}}^4\times {\mathrm{13}}^2$

素因数の和:80

約数の個数: 45

約数和(自身を含む): 91363665

約数和(自身を除く): 29505440

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 169, 275, 325, 605, 715, 845, 1331, 1573, 1859, 3025, 3575, 4225, 6655, 7865, 9295, 14641, 17303, 20449, 33275, 39325, 46475, 73205, 86515, 102245, 190333, 224939, 366025, 432575, 511225, 951665, 1124695, 2474329, 4758325, 5623475, 12371645, 61858225]

約数ペア:

[(1, 61858225), (5, 12371645), (11, 5623475), (13, 4758325), (25, 2474329), (55, 1124695), (65, 951665), (121, 511225), (143, 432575), (169, 366025), (275, 224939), (325, 190333), (605, 102245), (715, 86515), (845, 73205), (1331, 46475), (1573, 39325), (1859, 33275), (3025, 20449), (3575, 17303), (4225, 14641), (6655, 9295)]