81347824

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 161641440

約数和(自身を除く): 80293616

約数列:

[1, 2, 4, 8, 16, 71, 101, 142, 202, 284, 404, 568, 709, 808, 1136, 1418, 1616, 2836, 5672, 7171, 11344, 14342, 28684, 50339, 57368, 71609, 100678, 114736, 143218, 201356, 286436, 402712, 572872, 805424, 1145744, 5084239, 10168478, 20336956, 40673912, 81347824]

約数ペア:

[(1, 81347824), (2, 40673912), (4, 20336956), (8, 10168478), (16, 5084239), (71, 1145744), (101, 805424), (142, 572872), (202, 402712), (284, 286436), (404, 201356), (568, 143218), (709, 114736), (808, 100678), (1136, 71609), (1418, 57368), (1616, 50339), (2836, 28684), (5672, 14342), (7171, 11344)]