67398478

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{20143}}^1$

素因数の和:20391

約数の個数: 16

約数和(自身を含む): 116029440

約数和(自身を除く): 48630962

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 20143, 40286, 141001, 282002, 4814177, 9628354, 33699239, 67398478]

約数ペア:

[(1, 67398478), (2, 33699239), (7, 9628354), (14, 4814177), (239, 282002), (478, 141001), (1673, 40286), (3346, 20143)]