28898090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222293}}^1$

素因数の和:222313

約数の個数: 16

約数和(自身を含む): 56018088

約数和(自身を除く): 27119998

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222293, 444586, 1111465, 2222930, 2889809, 5779618, 14449045, 28898090]

約数ペア:

[(1, 28898090), (2, 14449045), (5, 5779618), (10, 2889809), (13, 2222930), (26, 1111465), (65, 444586), (130, 222293)]