25123245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 48881664

約数和(自身を除く): 23758419

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 101, 103, 105, 115, 161, 303, 309, 345, 483, 505, 515, 707, 721, 805, 1515, 1545, 2121, 2163, 2323, 2369, 2415, 3535, 3605, 6969, 7107, 10403, 10605, 10815, 11615, 11845, 16261, 16583, 31209, 34845, 35535, 48783, 49749, 52015, 72821, 81305, 82915, 156045, 218463, 239269, 243915, 248745, 364105, 717807, 1092315, 1196345, 1674883, 3589035, 5024649, 8374415, 25123245]

約数ペア:

[(1, 25123245), (3, 8374415), (5, 5024649), (7, 3589035), (15, 1674883), (21, 1196345), (23, 1092315), (35, 717807), (69, 364105), (101, 248745), (103, 243915), (105, 239269), (115, 218463), (161, 156045), (303, 82915), (309, 81305), (345, 72821), (483, 52015), (505, 49749), (515, 48783), (707, 35535), (721, 34845), (805, 31209), (1515, 16583), (1545, 16261), (2121, 11845), (2163, 11615), (2323, 10815), (2369, 10605), (2415, 10403), (3535, 7107), (3605, 6969)]