217393918

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{1459}}^1$

素因数の和:1864

約数の個数: 32

約数和(自身を含む): 386841600

約数和(自身を除く): 169447682

約数列:

[1, 2, 7, 14, 29, 58, 203, 367, 406, 734, 1459, 2569, 2918, 5138, 10213, 10643, 20426, 21286, 42311, 74501, 84622, 149002, 296177, 535453, 592354, 1070906, 3748171, 7496342, 15528137, 31056274, 108696959, 217393918]

約数ペア:

[(1, 217393918), (2, 108696959), (7, 31056274), (14, 15528137), (29, 7496342), (58, 3748171), (203, 1070906), (367, 592354), (406, 535453), (734, 296177), (1459, 149002), (2569, 84622), (2918, 74501), (5138, 42311), (10213, 21286), (10643, 20426)]