81384696

素因数分解:

$2^3\times 3^3\times {\mathrm{577}}^1\times {\mathrm{653}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 226807200

約数和(自身を除く): 145422504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 577, 653, 1154, 1306, 1731, 1959, 2308, 2612, 3462, 3918, 4616, 5193, 5224, 5877, 6924, 7836, 10386, 11754, 13848, 15579, 15672, 17631, 20772, 23508, 31158, 35262, 41544, 47016, 62316, 70524, 124632, 141048, 376781, 753562, 1130343, 1507124, 2260686, 3014248, 3391029, 4521372, 6782058, 9042744, 10173087, 13564116, 20346174, 27128232, 40692348, 81384696]

約数ペア:

[(1, 81384696), (2, 40692348), (3, 27128232), (4, 20346174), (6, 13564116), (8, 10173087), (9, 9042744), (12, 6782058), (18, 4521372), (24, 3391029), (27, 3014248), (36, 2260686), (54, 1507124), (72, 1130343), (108, 753562), (216, 376781), (577, 141048), (653, 124632), (1154, 70524), (1306, 62316), (1731, 47016), (1959, 41544), (2308, 35262), (2612, 31158), (3462, 23508), (3918, 20772), (4616, 17631), (5193, 15672), (5224, 15579), (5877, 13848), (6924, 11754), (7836, 10386)]