208142065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{29671}}^1$

素因数の和:29760

約数の個数: 16

約数和(自身を含む): 264911616

約数和(自身を除く): 56769551

約数列:

[1, 5, 23, 61, 115, 305, 1403, 7015, 29671, 148355, 682433, 1809931, 3412165, 9049655, 41628413, 208142065]

約数ペア:

[(1, 208142065), (5, 41628413), (23, 9049655), (61, 3412165), (115, 1809931), (305, 682433), (1403, 148355), (7015, 29671)]