77771428

素因数分解:

$2^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{947}}^1$

素因数の和:1384

約数の個数: 36

約数和(自身を含む): 158865840

約数和(自身を除く): 81094412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 419, 838, 947, 1676, 1894, 2933, 3788, 5866, 6629, 11732, 13258, 20531, 26516, 41062, 46403, 82124, 92806, 185612, 396793, 793586, 1587172, 2777551, 5555102, 11110204, 19442857, 38885714, 77771428]

約数ペア:

[(1, 77771428), (2, 38885714), (4, 19442857), (7, 11110204), (14, 5555102), (28, 2777551), (49, 1587172), (98, 793586), (196, 396793), (419, 185612), (838, 92806), (947, 82124), (1676, 46403), (1894, 41062), (2933, 26516), (3788, 20531), (5866, 13258), (6629, 11732)]