81206930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{6481}}^1$

素因数の和:6674

約数の個数: 32

約数和(自身を含む): 168013440

約数和(自身を除く): 86806510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2506, 6265, 6481, 12530, 12962, 32405, 45367, 64810, 90734, 226835, 453670, 1160099, 2320198, 5800495, 8120693, 11600990, 16241386, 40603465, 81206930]

約数ペア:

[(1, 81206930), (2, 40603465), (5, 16241386), (7, 11600990), (10, 8120693), (14, 5800495), (35, 2320198), (70, 1160099), (179, 453670), (358, 226835), (895, 90734), (1253, 64810), (1790, 45367), (2506, 32405), (6265, 12962), (6481, 12530)]