7421245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 10321920

約数和(自身を除く): 2900675

約数列:

[1, 5, 13, 29, 31, 65, 127, 145, 155, 377, 403, 635, 899, 1651, 1885, 2015, 3683, 3937, 4495, 8255, 11687, 18415, 19685, 47879, 51181, 58435, 114173, 239395, 255905, 570865, 1484249, 7421245]

約数ペア:

[(1, 7421245), (5, 1484249), (13, 570865), (29, 255905), (31, 239395), (65, 114173), (127, 58435), (145, 51181), (155, 47879), (377, 19685), (403, 18415), (635, 11687), (899, 8255), (1651, 4495), (1885, 3937), (2015, 3683)]