164415438965

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{2473}}^1\times {\mathrm{217981}}^1$

素因数の和:220520

約数の個数: 16

約数和(自身を含む): 200614938096

約数和(自身を除く): 36199499131

約数列:

[1, 5, 61, 305, 2473, 12365, 150853, 217981, 754265, 1089905, 13296841, 66484205, 539067013, 2695335065, 32883087793, 164415438965]

約数ペア:

[(1, 164415438965), (5, 32883087793), (61, 2695335065), (305, 539067013), (2473, 66484205), (12365, 13296841), (150853, 1089905), (217981, 754265)]