28359205

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 12352475

約数列:

[1, 5, 7, 35, 37, 61, 185, 259, 305, 359, 427, 1295, 1795, 2135, 2257, 2513, 11285, 12565, 13283, 15799, 21899, 66415, 78995, 92981, 109495, 153293, 464905, 766465, 810263, 4051315, 5671841, 28359205]

約数ペア:

[(1, 28359205), (5, 5671841), (7, 4051315), (35, 810263), (37, 766465), (61, 464905), (185, 153293), (259, 109495), (305, 92981), (359, 78995), (427, 66415), (1295, 21899), (1795, 15799), (2135, 13283), (2257, 12565), (2513, 11285)]