67790645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 28009675

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 1979, 2015, 2635, 6851, 9895, 25727, 33643, 34255, 61349, 128635, 168215, 306745, 437359, 797537, 1042933, 2186795, 3987685, 5214665, 13558129, 67790645]

約数ペア:

[(1, 67790645), (5, 13558129), (13, 5214665), (17, 3987685), (31, 2186795), (65, 1042933), (85, 797537), (155, 437359), (221, 306745), (403, 168215), (527, 128635), (1105, 61349), (1979, 34255), (2015, 33643), (2635, 25727), (6851, 9895)]