31499710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1439}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 62208000

約数和(自身を除く): 30708290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1439, 1990, 2189, 2878, 4378, 7195, 10945, 14390, 15829, 21890, 31658, 79145, 158290, 286361, 572722, 1431805, 2863610, 3149971, 6299942, 15749855, 31499710]

約数ペア:

[(1, 31499710), (2, 15749855), (5, 6299942), (10, 3149971), (11, 2863610), (22, 1431805), (55, 572722), (110, 286361), (199, 158290), (398, 79145), (995, 31658), (1439, 21890), (1990, 15829), (2189, 14390), (2878, 10945), (4378, 7195)]