486570890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{26927}}^1$

素因数の和:27086

約数の個数: 32

約数和(自身を含む): 950019840

約数和(自身を除く): 463448950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 18070, 26927, 53854, 134635, 269270, 350051, 700102, 1750255, 3500510, 3742853, 7485706, 18714265, 37428530, 48657089, 97314178, 243285445, 486570890]

約数ペア:

[(1, 486570890), (2, 243285445), (5, 97314178), (10, 48657089), (13, 37428530), (26, 18714265), (65, 7485706), (130, 3742853), (139, 3500510), (278, 1750255), (695, 700102), (1390, 350051), (1807, 269270), (3614, 134635), (9035, 53854), (18070, 26927)]