81136672

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 166924800

約数和(自身を除く): 85788128

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 89, 124, 178, 248, 356, 496, 712, 919, 992, 1424, 1838, 2759, 2848, 3676, 5518, 7352, 11036, 14704, 22072, 28489, 29408, 44144, 56978, 81791, 88288, 113956, 163582, 227912, 327164, 455824, 654328, 911648, 1308656, 2535521, 2617312, 5071042, 10142084, 20284168, 40568336, 81136672]

約数ペア:

[(1, 81136672), (2, 40568336), (4, 20284168), (8, 10142084), (16, 5071042), (31, 2617312), (32, 2535521), (62, 1308656), (89, 911648), (124, 654328), (178, 455824), (248, 327164), (356, 227912), (496, 163582), (712, 113956), (919, 88288), (992, 81791), (1424, 56978), (1838, 44144), (2759, 29408), (2848, 28489), (3676, 22072), (5518, 14704), (7352, 11036)]