15521288

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 14718712

約数列:

[1, 2, 4, 8, 41, 79, 82, 158, 164, 316, 328, 599, 632, 1198, 2396, 3239, 4792, 6478, 12956, 24559, 25912, 47321, 49118, 94642, 98236, 189284, 196472, 378568, 1940161, 3880322, 7760644, 15521288]

約数ペア:

[(1, 15521288), (2, 7760644), (4, 3880322), (8, 1940161), (41, 378568), (79, 196472), (82, 189284), (158, 98236), (164, 94642), (316, 49118), (328, 47321), (599, 25912), (632, 24559), (1198, 12956), (2396, 6478), (3239, 4792)]