28591145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 11083735

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 341, 409, 451, 1271, 1705, 2045, 2255, 4499, 6355, 12679, 13981, 16769, 22495, 63395, 69905, 83845, 139469, 184459, 519839, 697345, 922295, 2599195, 5718229, 28591145]

約数ペア:

[(1, 28591145), (5, 5718229), (11, 2599195), (31, 922295), (41, 697345), (55, 519839), (155, 184459), (205, 139469), (341, 83845), (409, 69905), (451, 63395), (1271, 22495), (1705, 16769), (2045, 13981), (2255, 12679), (4499, 6355)]