78821512

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 185472000

約数和(自身を除く): 106650488

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 199, 308, 398, 616, 643, 796, 1286, 1393, 1592, 2189, 2572, 2786, 4378, 4501, 5144, 5572, 7073, 8756, 9002, 11144, 14146, 15323, 17512, 18004, 28292, 30646, 36008, 49511, 56584, 61292, 99022, 122584, 127957, 198044, 255914, 396088, 511828, 895699, 1023656, 1407527, 1791398, 2815054, 3582796, 5630108, 7165592, 9852689, 11260216, 19705378, 39410756, 78821512]

約数ペア:

[(1, 78821512), (2, 39410756), (4, 19705378), (7, 11260216), (8, 9852689), (11, 7165592), (14, 5630108), (22, 3582796), (28, 2815054), (44, 1791398), (56, 1407527), (77, 1023656), (88, 895699), (154, 511828), (199, 396088), (308, 255914), (398, 198044), (616, 127957), (643, 122584), (796, 99022), (1286, 61292), (1393, 56584), (1592, 49511), (2189, 36008), (2572, 30646), (2786, 28292), (4378, 18004), (4501, 17512), (5144, 15323), (5572, 14146), (7073, 11144), (8756, 9002)]