28979275

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^3$

素因数の和:93

約数の個数: 36

約数和(自身を含む): 41072520

約数和(自身を除く): 12093245

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 325, 361, 475, 845, 1235, 1805, 3211, 4225, 4693, 6175, 6859, 9025, 16055, 23465, 34295, 61009, 80275, 89167, 117325, 171475, 305045, 445835, 1159171, 1525225, 2229175, 5795855, 28979275]

約数ペア:

[(1, 28979275), (5, 5795855), (13, 2229175), (19, 1525225), (25, 1159171), (65, 445835), (95, 305045), (169, 171475), (247, 117325), (325, 89167), (361, 80275), (475, 61009), (845, 34295), (1235, 23465), (1805, 16055), (3211, 9025), (4225, 6859), (4693, 6175)]