28553590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1399}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 55742400

約数和(自身を除く): 27188810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1399, 1570, 2041, 2798, 4082, 6995, 10205, 13990, 18187, 20410, 36374, 90935, 181870, 219643, 439286, 1098215, 2196430, 2855359, 5710718, 14276795, 28553590]

約数ペア:

[(1, 28553590), (2, 14276795), (5, 5710718), (10, 2855359), (13, 2196430), (26, 1098215), (65, 439286), (130, 219643), (157, 181870), (314, 90935), (785, 36374), (1399, 20410), (1570, 18187), (2041, 13990), (2798, 10205), (4082, 6995)]