28533830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219491}}^1$

素因数の和:219511

約数の個数: 16

約数和(自身を含む): 55311984

約数和(自身を除く): 26778154

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 219491, 438982, 1097455, 2194910, 2853383, 5706766, 14266915, 28533830]

約数ペア:

[(1, 28533830), (2, 14266915), (5, 5706766), (10, 2853383), (13, 2194910), (26, 1097455), (65, 438982), (130, 219491)]