280876895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139393}}^1$

素因数の和:139442

約数の個数: 16

約数和(自身を含む): 374691072

約数和(自身を除く): 93814177

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 139393, 696965, 1812109, 4321183, 9060545, 21605915, 56175379, 280876895]

約数ペア:

[(1, 280876895), (5, 56175379), (13, 21605915), (31, 9060545), (65, 4321183), (155, 1812109), (403, 696965), (2015, 139393)]