81382248

素因数分解:

$2^3\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1747}}^1$

素因数の和:2406

約数の個数: 48

約数和(自身を含む): 220877280

約数和(自身を除く): 139495032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 647, 1294, 1747, 1941, 2588, 3494, 3882, 5176, 5241, 5823, 6988, 7764, 10482, 11646, 13976, 15528, 15723, 20964, 23292, 31446, 41928, 46584, 62892, 125784, 1130309, 2260618, 3390927, 4521236, 6781854, 9042472, 10172781, 13563708, 20345562, 27127416, 40691124, 81382248]

約数ペア:

[(1, 81382248), (2, 40691124), (3, 27127416), (4, 20345562), (6, 13563708), (8, 10172781), (9, 9042472), (12, 6781854), (18, 4521236), (24, 3390927), (36, 2260618), (72, 1130309), (647, 125784), (1294, 62892), (1747, 46584), (1941, 41928), (2588, 31446), (3494, 23292), (3882, 20964), (5176, 15723), (5241, 15528), (5823, 13976), (6988, 11646), (7764, 10482)]