56201405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 77601888

約数和(自身を除く): 21400483

約数列:

[1, 5, 13, 17, 65, 85, 181, 221, 281, 905, 1105, 1405, 2353, 3077, 3653, 4777, 11765, 15385, 18265, 23885, 40001, 50861, 62101, 200005, 254305, 310505, 661193, 864637, 3305965, 4323185, 11240281, 56201405]

約数ペア:

[(1, 56201405), (5, 11240281), (13, 4323185), (17, 3305965), (65, 864637), (85, 661193), (181, 310505), (221, 254305), (281, 200005), (905, 62101), (1105, 50861), (1405, 40001), (2353, 23885), (3077, 18265), (3653, 15385), (4777, 11765)]