66777728

素因数分解:

$2^7\times {\mathrm{401}}^1\times {\mathrm{1301}}^1$

素因数の和:1716

約数の個数: 32

約数和(自身を含む): 133468020

約数和(自身を除く): 66690292

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 401, 802, 1301, 1604, 2602, 3208, 5204, 6416, 10408, 12832, 20816, 25664, 41632, 51328, 83264, 166528, 521701, 1043402, 2086804, 4173608, 8347216, 16694432, 33388864, 66777728]

約数ペア:

[(1, 66777728), (2, 33388864), (4, 16694432), (8, 8347216), (16, 4173608), (32, 2086804), (64, 1043402), (128, 521701), (401, 166528), (802, 83264), (1301, 51328), (1604, 41632), (2602, 25664), (3208, 20816), (5204, 12832), (6416, 10408)]