31011838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 57974400

約数和(自身を除く): 26962562

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 169, 209, 247, 286, 338, 418, 439, 494, 878, 1859, 2717, 3211, 3718, 4829, 5434, 5707, 6422, 8341, 9658, 11414, 16682, 35321, 62777, 70642, 74191, 91751, 108433, 125554, 148382, 183502, 216866, 816101, 1192763, 1409629, 1632202, 2385526, 2819258, 15505919, 31011838]

約数ペア:

[(1, 31011838), (2, 15505919), (11, 2819258), (13, 2385526), (19, 1632202), (22, 1409629), (26, 1192763), (38, 816101), (143, 216866), (169, 183502), (209, 148382), (247, 125554), (286, 108433), (338, 91751), (418, 74191), (439, 70642), (494, 62777), (878, 35321), (1859, 16682), (2717, 11414), (3211, 9658), (3718, 8341), (4829, 6422), (5434, 5707)]