12886712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 25650000

約数和(自身を除く): 12763288

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 569, 596, 1138, 1192, 2276, 2831, 4552, 5662, 10811, 11324, 21622, 22648, 43244, 84781, 86488, 169562, 339124, 678248, 1610839, 3221678, 6443356, 12886712]

約数ペア:

[(1, 12886712), (2, 6443356), (4, 3221678), (8, 1610839), (19, 678248), (38, 339124), (76, 169562), (149, 86488), (152, 84781), (298, 43244), (569, 22648), (596, 21622), (1138, 11324), (1192, 10811), (2276, 5662), (2831, 4552)]