81731750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19231}}^1$

素因数の和:19265

約数の個数: 32

約数和(自身を含む): 162010368

約数和(自身を除く): 80278618

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 19231, 38462, 96155, 192310, 326927, 480775, 653854, 961550, 1634635, 2403875, 3269270, 4807750, 8173175, 16346350, 40865875, 81731750]

約数ペア:

[(1, 81731750), (2, 40865875), (5, 16346350), (10, 8173175), (17, 4807750), (25, 3269270), (34, 2403875), (50, 1634635), (85, 961550), (125, 653854), (170, 480775), (250, 326927), (425, 192310), (850, 96155), (2125, 38462), (4250, 19231)]