65648990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 137479680

約数和(自身を除く): 71830690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 101, 110, 190, 202, 209, 311, 418, 505, 622, 1010, 1045, 1111, 1555, 1919, 2090, 2222, 3110, 3421, 3838, 5555, 5909, 6842, 9595, 11110, 11818, 17105, 19190, 21109, 29545, 31411, 34210, 42218, 59090, 62822, 64999, 105545, 129998, 157055, 211090, 314110, 324995, 345521, 596809, 649990, 691042, 1193618, 1727605, 2984045, 3455210, 5968090, 6564899, 13129798, 32824495, 65648990]

約数ペア:

[(1, 65648990), (2, 32824495), (5, 13129798), (10, 6564899), (11, 5968090), (19, 3455210), (22, 2984045), (38, 1727605), (55, 1193618), (95, 691042), (101, 649990), (110, 596809), (190, 345521), (202, 324995), (209, 314110), (311, 211090), (418, 157055), (505, 129998), (622, 105545), (1010, 64999), (1045, 62822), (1111, 59090), (1555, 42218), (1919, 34210), (2090, 31411), (2222, 29545), (3110, 21109), (3421, 19190), (3838, 17105), (5555, 11818), (5909, 11110), (6842, 9595)]