16629990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42641}}^1$

素因数の和:42664

約数の個数: 32

約数和(自身を含む): 42983136

約数和(自身を除く): 26353146

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 42641, 85282, 127923, 213205, 255846, 426410, 554333, 639615, 1108666, 1279230, 1662999, 2771665, 3325998, 5543330, 8314995, 16629990]

約数ペア:

[(1, 16629990), (2, 8314995), (3, 5543330), (5, 3325998), (6, 2771665), (10, 1662999), (13, 1279230), (15, 1108666), (26, 639615), (30, 554333), (39, 426410), (65, 255846), (78, 213205), (130, 127923), (195, 85282), (390, 42641)]