381663359

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 489701376

約数和(自身を除く): 108038017

約数列:

[1, 7, 11, 47, 77, 163, 329, 517, 647, 1141, 1793, 3619, 4529, 7117, 7661, 12551, 30409, 49819, 53627, 84271, 105461, 212863, 334499, 589897, 738227, 1160071, 2341493, 4956667, 8120497, 34696669, 54523337, 381663359]

約数ペア:

[(1, 381663359), (7, 54523337), (11, 34696669), (47, 8120497), (77, 4956667), (163, 2341493), (329, 1160071), (517, 738227), (647, 589897), (1141, 334499), (1793, 212863), (3619, 105461), (4529, 84271), (7117, 53627), (7661, 49819), (12551, 30409)]