81519744

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{4937}}^1$

素因数の和:4997

約数の個数: 64

約数和(自身を含む): 221617440

約数和(自身を除く): 140097696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 258, 344, 384, 516, 688, 1032, 1376, 2064, 2752, 4128, 4937, 5504, 8256, 9874, 14811, 16512, 19748, 29622, 39496, 59244, 78992, 118488, 157984, 212291, 236976, 315968, 424582, 473952, 631936, 636873, 849164, 947904, 1273746, 1698328, 1895808, 2547492, 3396656, 5094984, 6793312, 10189968, 13586624, 20379936, 27173248, 40759872, 81519744]

約数ペア:

[(1, 81519744), (2, 40759872), (3, 27173248), (4, 20379936), (6, 13586624), (8, 10189968), (12, 6793312), (16, 5094984), (24, 3396656), (32, 2547492), (43, 1895808), (48, 1698328), (64, 1273746), (86, 947904), (96, 849164), (128, 636873), (129, 631936), (172, 473952), (192, 424582), (258, 315968), (344, 236976), (384, 212291), (516, 157984), (688, 118488), (1032, 78992), (1376, 59244), (2064, 39496), (2752, 29622), (4128, 19748), (4937, 16512), (5504, 14811), (8256, 9874)]