26489905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 11456975

約数列:

[1, 5, 13, 23, 29, 47, 65, 115, 145, 169, 235, 299, 377, 611, 667, 845, 1081, 1363, 1495, 1885, 3055, 3335, 3887, 4901, 5405, 6815, 7943, 8671, 14053, 17719, 19435, 24505, 31349, 39715, 43355, 70265, 88595, 112723, 156745, 182689, 230347, 407537, 563615, 913445, 1151735, 2037685, 5297981, 26489905]

約数ペア:

[(1, 26489905), (5, 5297981), (13, 2037685), (23, 1151735), (29, 913445), (47, 563615), (65, 407537), (115, 230347), (145, 182689), (169, 156745), (235, 112723), (299, 88595), (377, 70265), (611, 43355), (667, 39715), (845, 31349), (1081, 24505), (1363, 19435), (1495, 17719), (1885, 14053), (3055, 8671), (3335, 7943), (3887, 6815), (4901, 5405)]