1406348890

素因数分解:

$2^1\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{61981}}^1$

素因数の和:64257

約数の個数: 16

約数和(自身を含む): 2532584520

約数和(自身を除く): 1126235630

約数列:

[1, 2, 5, 10, 2269, 4538, 11345, 22690, 61981, 123962, 309905, 619810, 140634889, 281269778, 703174445, 1406348890]

約数ペア:

[(1, 1406348890), (2, 703174445), (5, 281269778), (10, 140634889), (2269, 619810), (4538, 309905), (11345, 123962), (22690, 61981)]