198378515

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{2551}}^1$

素因数の和:2810

約数の個数: 16

約数和(自身を含む): 242052096

約数和(自身を除く): 43673581

約数列:

[1, 5, 103, 151, 515, 755, 2551, 12755, 15553, 77765, 262753, 385201, 1313765, 1926005, 39675703, 198378515]

約数ペア:

[(1, 198378515), (5, 39675703), (103, 1926005), (151, 1313765), (515, 385201), (755, 262753), (2551, 77765), (12755, 15553)]