28440190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{123653}}^1$

素因数の和:123683

約数の個数: 16

約数和(自身を含む): 53418528

約数和(自身を除く): 24978338

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 123653, 247306, 618265, 1236530, 2844019, 5688038, 14220095, 28440190]

約数ペア:

[(1, 28440190), (2, 14220095), (5, 5688038), (10, 2844019), (23, 1236530), (46, 618265), (115, 247306), (230, 123653)]