28938130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222601}}^1$

素因数の和:222621

約数の個数: 16

約数和(自身を含む): 56095704

約数和(自身を除く): 27157574

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222601, 445202, 1113005, 2226010, 2893813, 5787626, 14469065, 28938130]

約数ペア:

[(1, 28938130), (2, 14469065), (5, 5787626), (10, 2893813), (13, 2226010), (26, 1113005), (65, 445202), (130, 222601)]