81143998

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 134517600

約数和(自身を除く): 53373602

約数列:

[1, 2, 13, 26, 59, 118, 169, 313, 338, 626, 767, 1534, 2197, 4069, 4394, 8138, 9971, 18467, 19942, 36934, 52897, 105794, 129623, 240071, 259246, 480142, 687661, 1375322, 3120923, 6241846, 40571999, 81143998]

約数ペア:

[(1, 81143998), (2, 40571999), (13, 6241846), (26, 3120923), (59, 1375322), (118, 687661), (169, 480142), (313, 259246), (338, 240071), (626, 129623), (767, 105794), (1534, 52897), (2197, 36934), (4069, 19942), (4394, 18467), (8138, 9971)]