31198874

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2294

約数の個数: 32

約数和(自身を含む): 57386880

約数和(自身を除く): 26188006

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 2014, 2213, 4426, 7049, 14098, 15491, 30982, 42047, 84094, 117289, 234578, 294329, 588658, 821023, 1642046, 2228491, 4456982, 15599437, 31198874]

約数ペア:

[(1, 31198874), (2, 15599437), (7, 4456982), (14, 2228491), (19, 1642046), (38, 821023), (53, 588658), (106, 294329), (133, 234578), (266, 117289), (371, 84094), (742, 42047), (1007, 30982), (2014, 15491), (2213, 14098), (4426, 7049)]