15987376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{24371}}^1$

素因数の和:24420

約数の個数: 20

約数和(自身を含む): 31732344

約数和(自身を除く): 15744968

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 24371, 48742, 97484, 194968, 389936, 999211, 1998422, 3996844, 7993688, 15987376]

約数ペア:

[(1, 15987376), (2, 7993688), (4, 3996844), (8, 1998422), (16, 999211), (41, 389936), (82, 194968), (164, 97484), (328, 48742), (656, 24371)]