1387477730

素因数分解:

$2^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{123551}}^1$

素因数の和:124681

約数の個数: 16

約数和(自身を含む): 2499704064

約数和(自身を除く): 1112226334

約数列:

[1, 2, 5, 10, 1123, 2246, 5615, 11230, 123551, 247102, 617755, 1235510, 138747773, 277495546, 693738865, 1387477730]

約数ペア:

[(1, 1387477730), (2, 693738865), (5, 277495546), (10, 138747773), (1123, 1235510), (2246, 617755), (5615, 247102), (11230, 123551)]