64746490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{787}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 123117120

約数和(自身を除く): 58370630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 433, 787, 866, 1574, 2165, 3935, 4330, 7870, 8227, 14953, 16454, 29906, 41135, 74765, 82270, 149530, 340771, 681542, 1703855, 3407710, 6474649, 12949298, 32373245, 64746490]

約数ペア:

[(1, 64746490), (2, 32373245), (5, 12949298), (10, 6474649), (19, 3407710), (38, 1703855), (95, 681542), (190, 340771), (433, 149530), (787, 82270), (866, 74765), (1574, 41135), (2165, 29906), (3935, 16454), (4330, 14953), (7870, 8227)]