72780148

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{5209}}^1$

素因数の和:5719

約数の個数: 24

約数和(自身を含む): 145880000

約数和(自身を除く): 73099852

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1996, 3493, 5209, 6986, 10418, 13972, 20836, 36463, 72926, 145852, 2599291, 5198582, 10397164, 18195037, 36390074, 72780148]

約数ペア:

[(1, 72780148), (2, 36390074), (4, 18195037), (7, 10397164), (14, 5198582), (28, 2599291), (499, 145852), (998, 72926), (1996, 36463), (3493, 20836), (5209, 13972), (6986, 10418)]