9988811

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 11755200

約数和(自身を除く): 1766389

約数列:

[1, 7, 61, 149, 157, 427, 1043, 1099, 9089, 9577, 23393, 63623, 67039, 163751, 1426973, 9988811]

約数ペア:

[(1, 9988811), (7, 1426973), (61, 163751), (149, 67039), (157, 63623), (427, 23393), (1043, 9577), (1099, 9089)]