65780408

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{19531}}^1$

素因数の和:19958

約数の個数: 16

約数和(自身を含む): 123637560

約数和(自身を除く): 57857152

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 19531, 39062, 78124, 156248, 8222551, 16445102, 32890204, 65780408]

約数ペア:

[(1, 65780408), (2, 32890204), (4, 16445102), (8, 8222551), (421, 156248), (842, 78124), (1684, 39062), (3368, 19531)]