12380984

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 29376000

約数和(自身を除く): 16995016

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 101, 154, 199, 202, 308, 398, 404, 616, 707, 796, 808, 1111, 1393, 1414, 1592, 2189, 2222, 2786, 2828, 4378, 4444, 5572, 5656, 7777, 8756, 8888, 11144, 15323, 15554, 17512, 20099, 30646, 31108, 40198, 61292, 62216, 80396, 122584, 140693, 160792, 221089, 281386, 442178, 562772, 884356, 1125544, 1547623, 1768712, 3095246, 6190492, 12380984]

約数ペア:

[(1, 12380984), (2, 6190492), (4, 3095246), (7, 1768712), (8, 1547623), (11, 1125544), (14, 884356), (22, 562772), (28, 442178), (44, 281386), (56, 221089), (77, 160792), (88, 140693), (101, 122584), (154, 80396), (199, 62216), (202, 61292), (308, 40198), (398, 31108), (404, 30646), (616, 20099), (707, 17512), (796, 15554), (808, 15323), (1111, 11144), (1393, 8888), (1414, 8756), (1592, 7777), (2189, 5656), (2222, 5572), (2786, 4444), (2828, 4378)]