16721510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 32598720

約数和(自身を除く): 15877210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 293, 439, 586, 878, 1465, 2195, 2930, 3809, 4390, 5707, 7618, 11414, 19045, 28535, 38090, 57070, 128627, 257254, 643135, 1286270, 1672151, 3344302, 8360755, 16721510]

約数ペア:

[(1, 16721510), (2, 8360755), (5, 3344302), (10, 1672151), (13, 1286270), (26, 643135), (65, 257254), (130, 128627), (293, 57070), (439, 38090), (586, 28535), (878, 19045), (1465, 11414), (2195, 7618), (2930, 5707), (3809, 4390)]