90878405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{1229}}^1$

素因数の和:1900

約数の個数: 16

約数和(自身を含む): 114065280

約数和(自身を除く): 23186875

約数列:

[1, 5, 23, 115, 643, 1229, 3215, 6145, 14789, 28267, 73945, 141335, 790247, 3951235, 18175681, 90878405]

約数ペア:

[(1, 90878405), (5, 18175681), (23, 3951235), (115, 790247), (643, 141335), (1229, 73945), (3215, 28267), (6145, 14789)]