2021849245

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^2\times {\mathrm{449}}^1$

素因数の和:626

約数の個数: 36

約数和(自身を含む): 2669622300

約数和(自身を除く): 647773055

約数列:

[1, 5, 13, 65, 73, 169, 365, 449, 845, 949, 2245, 4745, 5329, 5837, 12337, 26645, 29185, 32777, 61685, 69277, 75881, 163885, 346385, 379405, 426101, 900601, 2130505, 2392721, 4503005, 5539313, 11963605, 27696565, 31105373, 155526865, 404369849, 2021849245]

約数ペア:

[(1, 2021849245), (5, 404369849), (13, 155526865), (65, 31105373), (73, 27696565), (169, 11963605), (365, 5539313), (449, 4503005), (845, 2392721), (949, 2130505), (2245, 900601), (4745, 426101), (5329, 379405), (5837, 346385), (12337, 163885), (26645, 75881), (29185, 69277), (32777, 61685)]