328078985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{631}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 448062720

約数和(自身を除く): 119983735

約数列:

[1, 5, 13, 19, 65, 95, 247, 421, 631, 1235, 2105, 3155, 5473, 7999, 8203, 11989, 27365, 39995, 41015, 59945, 103987, 155857, 265651, 519935, 779285, 1328255, 3453463, 5047369, 17267315, 25236845, 65615797, 328078985]

約数ペア:

[(1, 328078985), (5, 65615797), (13, 25236845), (19, 17267315), (65, 5047369), (95, 3453463), (247, 1328255), (421, 779285), (631, 519935), (1235, 265651), (2105, 155857), (3155, 103987), (5473, 59945), (7999, 41015), (8203, 39995), (11989, 27365)]