90215408

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{10781}}^1$

素因数の和:11312

約数の個数: 20

約数和(自身を含む): 175142808

約数和(自身を除く): 84927400

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 4184, 8368, 10781, 21562, 43124, 86248, 172496, 5638463, 11276926, 22553852, 45107704, 90215408]

約数ペア:

[(1, 90215408), (2, 45107704), (4, 22553852), (8, 11276926), (16, 5638463), (523, 172496), (1046, 86248), (2092, 43124), (4184, 21562), (8368, 10781)]