16213990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 31643136

約数和(自身を除く): 15429146

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 191, 382, 653, 955, 1306, 1910, 2483, 3265, 4966, 6530, 8489, 12415, 16978, 24830, 42445, 84890, 124723, 249446, 623615, 1247230, 1621399, 3242798, 8106995, 16213990]

約数ペア:

[(1, 16213990), (2, 8106995), (5, 3242798), (10, 1621399), (13, 1247230), (26, 623615), (65, 249446), (130, 124723), (191, 84890), (382, 42445), (653, 24830), (955, 16978), (1306, 12415), (1910, 8489), (2483, 6530), (3265, 4966)]