28290295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 11522825

約数列:

[1, 5, 11, 17, 55, 79, 85, 187, 383, 395, 869, 935, 1343, 1915, 4213, 4345, 6511, 6715, 14773, 21065, 30257, 32555, 71621, 73865, 151285, 332827, 358105, 514369, 1664135, 2571845, 5658059, 28290295]

約数ペア:

[(1, 28290295), (5, 5658059), (11, 2571845), (17, 1664135), (55, 514369), (79, 358105), (85, 332827), (187, 151285), (383, 73865), (395, 71621), (869, 32555), (935, 30257), (1343, 21065), (1915, 14773), (4213, 6715), (4345, 6511)]