90817025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1231}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 121908864

約数和(自身を除く): 31091839

約数列:

[1, 5, 13, 25, 65, 227, 325, 1135, 1231, 2951, 5675, 6155, 14755, 16003, 30775, 73775, 80015, 279437, 400075, 1397185, 3632681, 6985925, 18163405, 90817025]

約数ペア:

[(1, 90817025), (5, 18163405), (13, 6985925), (25, 3632681), (65, 1397185), (227, 400075), (325, 279437), (1135, 80015), (1231, 73775), (2951, 30775), (5675, 16003), (6155, 14755)]