138415538

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{3823}}^1$

素因数の和:4289

約数の個数: 16

約数和(自身を含む): 213012096

約数和(自身を除く): 74596558

約数列:

[1, 2, 43, 86, 421, 842, 3823, 7646, 18103, 36206, 164389, 328778, 1609483, 3218966, 69207769, 138415538]

約数ペア:

[(1, 138415538), (2, 69207769), (43, 3218966), (86, 1609483), (421, 328778), (842, 164389), (3823, 36206), (7646, 18103)]