66549990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{170641}}^1$

素因数の和:170664

約数の個数: 32

約数和(自身を含む): 172007136

約数和(自身を除く): 105457146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 170641, 341282, 511923, 853205, 1023846, 1706410, 2218333, 2559615, 4436666, 5119230, 6654999, 11091665, 13309998, 22183330, 33274995, 66549990]

約数ペア:

[(1, 66549990), (2, 33274995), (3, 22183330), (5, 13309998), (6, 11091665), (10, 6654999), (13, 5119230), (15, 4436666), (26, 2559615), (30, 2218333), (39, 1706410), (65, 1023846), (78, 853205), (130, 511923), (195, 341282), (390, 170641)]