2801975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 3964032

約数和(自身を除く): 1162057

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 443, 575, 1265, 2215, 4873, 6325, 10189, 11075, 24365, 50945, 112079, 121825, 254725, 560395, 2801975]

約数ペア:

[(1, 2801975), (5, 560395), (11, 254725), (23, 121825), (25, 112079), (55, 50945), (115, 24365), (253, 11075), (275, 10189), (443, 6325), (575, 4873), (1265, 2215)]