67706288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1997}}^1$

素因数の和:2181

約数の個数: 40

約数和(自身を含む): 142209648

約数和(自身を除く): 74503360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 1304, 1997, 2119, 2608, 3994, 4238, 7988, 8476, 15976, 16952, 25961, 31952, 33904, 51922, 103844, 207688, 325511, 415376, 651022, 1302044, 2604088, 4231643, 5208176, 8463286, 16926572, 33853144, 67706288]

約数ペア:

[(1, 67706288), (2, 33853144), (4, 16926572), (8, 8463286), (13, 5208176), (16, 4231643), (26, 2604088), (52, 1302044), (104, 651022), (163, 415376), (208, 325511), (326, 207688), (652, 103844), (1304, 51922), (1997, 33904), (2119, 31952), (2608, 25961), (3994, 16952), (4238, 15976), (7988, 8476)]