138871978

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{26737}}^1$

素因数の和:26806

約数の個数: 24

約数和(自身を含む): 246898692

約数和(自身を除く): 108026714

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 5194, 26737, 53474, 187159, 374318, 1310113, 1417061, 2620226, 2834122, 9919427, 19838854, 69435989, 138871978]

約数ペア:

[(1, 138871978), (2, 69435989), (7, 19838854), (14, 9919427), (49, 2834122), (53, 2620226), (98, 1417061), (106, 1310113), (371, 374318), (742, 187159), (2597, 53474), (5194, 26737)]