138310288

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{20533}}^1$

素因数の和:20962

約数の個数: 20

約数和(自身を含む): 268625788

約数和(自身を除く): 130315500

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 20533, 41066, 82132, 164264, 328528, 8644393, 17288786, 34577572, 69155144, 138310288]

約数ペア:

[(1, 138310288), (2, 69155144), (4, 34577572), (8, 17288786), (16, 8644393), (421, 328528), (842, 164264), (1684, 82132), (3368, 41066), (6736, 20533)]