28019195

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4409}}^1$

素因数の和:4486

約数の個数: 16

約数和(自身を含む): 35562240

約数和(自身を除く): 7543045

約数列:

[1, 5, 31, 41, 155, 205, 1271, 4409, 6355, 22045, 136679, 180769, 683395, 903845, 5603839, 28019195]

約数ペア:

[(1, 28019195), (5, 5603839), (31, 903845), (41, 683395), (155, 180769), (205, 136679), (1271, 22045), (4409, 6355)]