257035336

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{6199}}^1$

素因数の和:6349

約数の個数: 32

約数和(自身を含む): 495504000

約数和(自身を除く): 238468664

約数列:

[1, 2, 4, 8, 71, 73, 142, 146, 284, 292, 568, 584, 5183, 6199, 10366, 12398, 20732, 24796, 41464, 49592, 440129, 452527, 880258, 905054, 1760516, 1810108, 3521032, 3620216, 32129417, 64258834, 128517668, 257035336]

約数ペア:

[(1, 257035336), (2, 128517668), (4, 64258834), (8, 32129417), (71, 3620216), (73, 3521032), (142, 1810108), (146, 1760516), (284, 905054), (292, 880258), (568, 452527), (584, 440129), (5183, 49592), (6199, 41464), (10366, 24796), (12398, 20732)]