31191325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 42649056

約数和(自身を除く): 11457731

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 1111, 1123, 2525, 5555, 5615, 12353, 27775, 28075, 61765, 113423, 308825, 567115, 1247653, 2835575, 6238265, 31191325]

約数ペア:

[(1, 31191325), (5, 6238265), (11, 2835575), (25, 1247653), (55, 567115), (101, 308825), (275, 113423), (505, 61765), (1111, 28075), (1123, 27775), (2525, 12353), (5555, 5615)]