8540015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 12013056

約数和(自身を除く): 3473041

約数列:

[1, 5, 11, 23, 43, 55, 115, 157, 215, 253, 473, 785, 989, 1265, 1727, 2365, 3611, 4945, 6751, 8635, 10879, 18055, 33755, 39721, 54395, 74261, 155273, 198605, 371305, 776365, 1708003, 8540015]

約数ペア:

[(1, 8540015), (5, 1708003), (11, 776365), (23, 371305), (43, 198605), (55, 155273), (115, 74261), (157, 54395), (215, 39721), (253, 33755), (473, 18055), (785, 10879), (989, 8635), (1265, 6751), (1727, 4945), (2365, 3611)]