209968237945

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{2790461}}^1$

素因数の和:2790716

約数の個数: 16

約数和(自身を含む): 256164411600

約数和(自身を除く): 46196173655

約数列:

[1, 5, 101, 149, 505, 745, 15049, 75245, 2790461, 13952305, 281836561, 415778689, 1409182805, 2078893445, 41993647589, 209968237945]

約数ペア:

[(1, 209968237945), (5, 41993647589), (101, 2078893445), (149, 1409182805), (505, 415778689), (745, 281836561), (15049, 13952305), (75245, 2790461)]