84999490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21739}}^1$

素因数の和:21786

約数の個数: 32

約数和(自身を含む): 169050240

約数和(自身を除く): 84050750

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 21739, 43478, 108695, 217390, 369563, 499997, 739126, 999994, 1847815, 2499985, 3695630, 4999970, 8499949, 16999898, 42499745, 84999490]

約数ペア:

[(1, 84999490), (2, 42499745), (5, 16999898), (10, 8499949), (17, 4999970), (23, 3695630), (34, 2499985), (46, 1847815), (85, 999994), (115, 739126), (170, 499997), (230, 369563), (391, 217390), (782, 108695), (1955, 43478), (3910, 21739)]