31501136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:851

約数の個数: 40

約数和(自身を含む): 65085120

約数和(自身を除く): 33583984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 179, 272, 358, 647, 716, 1294, 1432, 2588, 2864, 3043, 5176, 6086, 10352, 10999, 12172, 21998, 24344, 43996, 48688, 87992, 115813, 175984, 231626, 463252, 926504, 1853008, 1968821, 3937642, 7875284, 15750568, 31501136]

約数ペア:

[(1, 31501136), (2, 15750568), (4, 7875284), (8, 3937642), (16, 1968821), (17, 1853008), (34, 926504), (68, 463252), (136, 231626), (179, 175984), (272, 115813), (358, 87992), (647, 48688), (716, 43996), (1294, 24344), (1432, 21998), (2588, 12172), (2864, 10999), (3043, 10352), (5176, 6086)]