78001328

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{131759}}^1$

素因数の和:131804

約数の個数: 20

約数和(自身を含む): 155213280

約数和(自身を除く): 77211952

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 131759, 263518, 527036, 1054072, 2108144, 4875083, 9750166, 19500332, 39000664, 78001328]

約数ペア:

[(1, 78001328), (2, 39000664), (4, 19500332), (8, 9750166), (16, 4875083), (37, 2108144), (74, 1054072), (148, 527036), (296, 263518), (592, 131759)]