28837985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{383}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 38900736

約数和(自身を除く): 10062751

約数列:

[1, 5, 11, 37, 55, 185, 383, 407, 1369, 1915, 2035, 4213, 6845, 14171, 15059, 21065, 70855, 75295, 155881, 524327, 779405, 2621635, 5767597, 28837985]

約数ペア:

[(1, 28837985), (5, 5767597), (11, 2621635), (37, 779405), (55, 524327), (185, 155881), (383, 75295), (407, 70855), (1369, 21065), (1915, 15059), (2035, 14171), (4213, 6845)]