28375910

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21661}}^1$

素因数の和:21799

約数の個数: 16

約数和(自身を含む): 51468912

約数和(自身を除く): 23093002

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 21661, 43322, 108305, 216610, 2837591, 5675182, 14187955, 28375910]

約数ペア:

[(1, 28375910), (2, 14187955), (5, 5675182), (10, 2837591), (131, 216610), (262, 108305), (655, 43322), (1310, 21661)]