398400016

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:936

約数の個数: 80

約数和(自身を含む): 914354176

約数和(自身を除く): 515954160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 127, 148, 254, 259, 296, 508, 518, 592, 757, 889, 1016, 1036, 1514, 1778, 2032, 2072, 3028, 3556, 4144, 4699, 5299, 6056, 7112, 9398, 10598, 12112, 14224, 18796, 21196, 28009, 32893, 37592, 42392, 56018, 65786, 75184, 84784, 96139, 112036, 131572, 192278, 196063, 224072, 263144, 384556, 392126, 448144, 526288, 672973, 769112, 784252, 1345946, 1538224, 1568504, 2691892, 3137008, 3557143, 5383784, 7114286, 10767568, 14228572, 24900001, 28457144, 49800002, 56914288, 99600004, 199200008, 398400016]

約数ペア:

[(1, 398400016), (2, 199200008), (4, 99600004), (7, 56914288), (8, 49800002), (14, 28457144), (16, 24900001), (28, 14228572), (37, 10767568), (56, 7114286), (74, 5383784), (112, 3557143), (127, 3137008), (148, 2691892), (254, 1568504), (259, 1538224), (296, 1345946), (508, 784252), (518, 769112), (592, 672973), (757, 526288), (889, 448144), (1016, 392126), (1036, 384556), (1514, 263144), (1778, 224072), (2032, 196063), (2072, 192278), (3028, 131572), (3556, 112036), (4144, 96139), (4699, 84784), (5299, 75184), (6056, 65786), (7112, 56018), (9398, 42392), (10598, 37592), (12112, 32893), (14224, 28009), (18796, 21196)]