641767812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{206489}}^1$

素因数の和:206540

約数の個数: 48

約数和(自身を含む): 1757642880

約数和(自身を除く): 1115875068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 206489, 412978, 619467, 825956, 1238934, 1445423, 2477868, 2890846, 4336269, 5781692, 7640093, 8672538, 15280186, 17345076, 22920279, 30560372, 45840558, 53480651, 91681116, 106961302, 160441953, 213922604, 320883906, 641767812]

約数ペア:

[(1, 641767812), (2, 320883906), (3, 213922604), (4, 160441953), (6, 106961302), (7, 91681116), (12, 53480651), (14, 45840558), (21, 30560372), (28, 22920279), (37, 17345076), (42, 15280186), (74, 8672538), (84, 7640093), (111, 5781692), (148, 4336269), (222, 2890846), (259, 2477868), (444, 1445423), (518, 1238934), (777, 825956), (1036, 619467), (1554, 412978), (3108, 206489)]