66620645

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1609}}^1$

素因数の和:1654

約数の個数: 36

約数和(自身を含む): 100763460

約数和(自身を除く): 34142815

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 455, 637, 845, 1183, 1609, 3185, 5915, 8045, 8281, 11263, 20917, 41405, 56315, 78841, 104585, 146419, 271921, 394205, 732095, 1024933, 1359605, 1903447, 5124665, 9517235, 13324129, 66620645]

約数ペア:

[(1, 66620645), (5, 13324129), (7, 9517235), (13, 5124665), (35, 1903447), (49, 1359605), (65, 1024933), (91, 732095), (169, 394205), (245, 271921), (455, 146419), (637, 104585), (845, 78841), (1183, 56315), (1609, 41405), (3185, 20917), (5915, 11263), (8045, 8281)]