85721207

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 106928640

約数和(自身を除く): 21207433

約数列:

[1, 11, 13, 23, 67, 143, 253, 299, 389, 737, 871, 1541, 3289, 4279, 5057, 8947, 9581, 16951, 20033, 26063, 55627, 98417, 116311, 220363, 286693, 338819, 599449, 1279421, 3727009, 6593939, 7792837, 85721207]

約数ペア:

[(1, 85721207), (11, 7792837), (13, 6593939), (23, 3727009), (67, 1279421), (143, 599449), (253, 338819), (299, 286693), (389, 220363), (737, 116311), (871, 98417), (1541, 55627), (3289, 26063), (4279, 20033), (5057, 16951), (8947, 9581)]