28471930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{123791}}^1$

素因数の和:123821

約数の個数: 16

約数和(自身を含む): 53478144

約数和(自身を除く): 25006214

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 123791, 247582, 618955, 1237910, 2847193, 5694386, 14235965, 28471930]

約数ペア:

[(1, 28471930), (2, 14235965), (5, 5694386), (10, 2847193), (23, 1237910), (46, 618955), (115, 247582), (230, 123791)]