28137590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2143}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 55109376

約数和(自身を除く): 26971786

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2143, 2626, 4286, 6565, 10715, 13130, 21430, 27859, 55718, 139295, 216443, 278590, 432886, 1082215, 2164430, 2813759, 5627518, 14068795, 28137590]

約数ペア:

[(1, 28137590), (2, 14068795), (5, 5627518), (10, 2813759), (13, 2164430), (26, 1082215), (65, 432886), (101, 278590), (130, 216443), (202, 139295), (505, 55718), (1010, 27859), (1313, 21430), (2143, 13130), (2626, 10715), (4286, 6565)]