72778288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1609}}^1$

素因数の和:1885

約数の個数: 40

約数和(自身を含む): 154521360

約数和(自身を除く): 81743072

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 257, 514, 1028, 1609, 2056, 2827, 3218, 4112, 5654, 6436, 11308, 12872, 17699, 22616, 25744, 35398, 45232, 70796, 141592, 283184, 413513, 827026, 1654052, 3308104, 4548643, 6616208, 9097286, 18194572, 36389144, 72778288]

約数ペア:

[(1, 72778288), (2, 36389144), (4, 18194572), (8, 9097286), (11, 6616208), (16, 4548643), (22, 3308104), (44, 1654052), (88, 827026), (176, 413513), (257, 283184), (514, 141592), (1028, 70796), (1609, 45232), (2056, 35398), (2827, 25744), (3218, 22616), (4112, 17699), (5654, 12872), (6436, 11308)]