28140398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1700

約数の個数: 32

約数和(自身を含む): 50434272

約数和(自身を除く): 22293874

約数列:

[1, 2, 11, 13, 22, 26, 61, 122, 143, 286, 671, 793, 1342, 1586, 1613, 3226, 8723, 17446, 17743, 20969, 35486, 41938, 98393, 196786, 230659, 461318, 1082323, 1279109, 2164646, 2558218, 14070199, 28140398]

約数ペア:

[(1, 28140398), (2, 14070199), (11, 2558218), (13, 2164646), (22, 1279109), (26, 1082323), (61, 461318), (122, 230659), (143, 196786), (286, 98393), (671, 41938), (793, 35486), (1342, 20969), (1586, 17743), (1613, 17446), (3226, 8723)]