159249025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3121}}^1$

素因数の和:3301

約数の個数: 24

約数和(自身を含む): 214081784

約数和(自身を除く): 54832759

約数列:

[1, 5, 13, 25, 65, 157, 325, 785, 2041, 3121, 3925, 10205, 15605, 40573, 51025, 78025, 202865, 489997, 1014325, 2449985, 6369961, 12249925, 31849805, 159249025]

約数ペア:

[(1, 159249025), (5, 31849805), (13, 12249925), (25, 6369961), (65, 2449985), (157, 1014325), (325, 489997), (785, 202865), (2041, 78025), (3121, 51025), (3925, 40573), (10205, 15605)]