87404156

素因数分解:

$2^2\times 7^1\times {\mathrm{1571}}^1\times {\mathrm{1987}}^1$

素因数の和:3569

約数の個数: 24

約数和(自身を含む): 175007616

約数和(自身を除く): 87603460

約数列:

[1, 2, 4, 7, 14, 28, 1571, 1987, 3142, 3974, 6284, 7948, 10997, 13909, 21994, 27818, 43988, 55636, 3121577, 6243154, 12486308, 21851039, 43702078, 87404156]

約数ペア:

[(1, 87404156), (2, 43702078), (4, 21851039), (7, 12486308), (14, 6243154), (28, 3121577), (1571, 55636), (1987, 43988), (3142, 27818), (3974, 21994), (6284, 13909), (7948, 10997)]