1328275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 1829744

約数和(自身を除く): 501469

約数列:

[1, 5, 13, 25, 61, 65, 67, 305, 325, 335, 793, 871, 1525, 1675, 3965, 4087, 4355, 19825, 20435, 21775, 53131, 102175, 265655, 1328275]

約数ペア:

[(1, 1328275), (5, 265655), (13, 102175), (25, 53131), (61, 21775), (65, 20435), (67, 19825), (305, 4355), (325, 4087), (335, 3965), (793, 1675), (871, 1525)]