78970790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{4271}}^1$

素因数の和:4364

約数の個数: 24

約数和(自身を含む): 145564128

約数和(自身を除く): 66593338

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1849, 3698, 4271, 8542, 9245, 18490, 21355, 42710, 183653, 367306, 918265, 1836530, 7897079, 15794158, 39485395, 78970790]

約数ペア:

[(1, 78970790), (2, 39485395), (5, 15794158), (10, 7897079), (43, 1836530), (86, 918265), (215, 367306), (430, 183653), (1849, 42710), (3698, 21355), (4271, 18490), (8542, 9245)]