128580235

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{757}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 185121792

約数和(自身を除く): 56541557

約数列:

[1, 5, 7, 23, 35, 115, 161, 211, 757, 805, 1055, 1477, 3785, 4853, 5299, 7385, 17411, 24265, 26495, 33971, 87055, 121877, 159727, 169855, 609385, 798635, 1118089, 3673721, 5590445, 18368605, 25716047, 128580235]

約数ペア:

[(1, 128580235), (5, 25716047), (7, 18368605), (23, 5590445), (35, 3673721), (115, 1118089), (161, 798635), (211, 609385), (757, 169855), (805, 159727), (1055, 121877), (1477, 87055), (3785, 33971), (4853, 26495), (5299, 24265), (7385, 17411)]