28718495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7243}}^1$

素因数の和:7322

約数の個数: 16

約数和(自身を含む): 37726752

約数和(自身を除く): 9008257

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 7243, 36215, 94159, 441823, 470795, 2209115, 5743699, 28718495]

約数ペア:

[(1, 28718495), (5, 5743699), (13, 2209115), (61, 470795), (65, 441823), (305, 94159), (793, 36215), (3965, 7243)]