12908868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 34621440

約数和(自身を除く): 21712572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 643, 717, 956, 1286, 1434, 1673, 1929, 2572, 2868, 3346, 3858, 4501, 5019, 6692, 7716, 9002, 10038, 13503, 18004, 20076, 27006, 54012, 153677, 307354, 461031, 614708, 922062, 1075739, 1844124, 2151478, 3227217, 4302956, 6454434, 12908868]

約数ペア:

[(1, 12908868), (2, 6454434), (3, 4302956), (4, 3227217), (6, 2151478), (7, 1844124), (12, 1075739), (14, 922062), (21, 614708), (28, 461031), (42, 307354), (84, 153677), (239, 54012), (478, 27006), (643, 20076), (717, 18004), (956, 13503), (1286, 10038), (1434, 9002), (1673, 7716), (1929, 6692), (2572, 5019), (2868, 4501), (3346, 3858)]