31226728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15803}}^1$

素因数の和:15841

約数の個数: 32

約数和(自身を含む): 66376800

約数和(自身を除く): 35150072

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 15803, 31606, 63212, 126424, 205439, 300257, 410878, 600514, 821756, 1201028, 1643512, 2402056, 3903341, 7806682, 15613364, 31226728]

約数ペア:

[(1, 31226728), (2, 15613364), (4, 7806682), (8, 3903341), (13, 2402056), (19, 1643512), (26, 1201028), (38, 821756), (52, 600514), (76, 410878), (104, 300257), (152, 205439), (247, 126424), (494, 63212), (988, 31606), (1976, 15803)]