16439990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{4793}}^1$

素因数の和:4821

約数の個数: 32

約数和(自身を含む): 34516800

約数和(自身を除く): 18076810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 4793, 9586, 23965, 33551, 47930, 67102, 167755, 234857, 335510, 469714, 1174285, 1643999, 2348570, 3287998, 8219995, 16439990]

約数ペア:

[(1, 16439990), (2, 8219995), (5, 3287998), (7, 2348570), (10, 1643999), (14, 1174285), (35, 469714), (49, 335510), (70, 234857), (98, 167755), (245, 67102), (343, 47930), (490, 33551), (686, 23965), (1715, 9586), (3430, 4793)]