15805556

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 30375072

約数和(自身を除く): 14569516

約数列:

[1, 2, 4, 13, 26, 52, 103, 169, 206, 227, 338, 412, 454, 676, 908, 1339, 2678, 2951, 5356, 5902, 11804, 17407, 23381, 34814, 38363, 46762, 69628, 76726, 93524, 153452, 303953, 607906, 1215812, 3951389, 7902778, 15805556]

約数ペア:

[(1, 15805556), (2, 7902778), (4, 3951389), (13, 1215812), (26, 607906), (52, 303953), (103, 153452), (169, 93524), (206, 76726), (227, 69628), (338, 46762), (412, 38363), (454, 34814), (676, 23381), (908, 17407), (1339, 11804), (2678, 5902), (2951, 5356)]