87647248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{421381}}^1$

素因数の和:421402

約数の個数: 20

約数和(自身を含む): 182879788

約数和(自身を除く): 95232540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 421381, 842762, 1685524, 3371048, 5477953, 6742096, 10955906, 21911812, 43823624, 87647248]

約数ペア:

[(1, 87647248), (2, 43823624), (4, 21911812), (8, 10955906), (13, 6742096), (16, 5477953), (26, 3371048), (52, 1685524), (104, 842762), (208, 421381)]