31390866

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{823}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 73784256

約数和(自身を除く): 42393390

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 163, 234, 326, 489, 823, 978, 1467, 1646, 2119, 2469, 2934, 4238, 4938, 6357, 7407, 10699, 12714, 14814, 19071, 21398, 32097, 38142, 64194, 96291, 134149, 192582, 268298, 402447, 804894, 1207341, 1743937, 2414682, 3487874, 5231811, 10463622, 15695433, 31390866]

約数ペア:

[(1, 31390866), (2, 15695433), (3, 10463622), (6, 5231811), (9, 3487874), (13, 2414682), (18, 1743937), (26, 1207341), (39, 804894), (78, 402447), (117, 268298), (163, 192582), (234, 134149), (326, 96291), (489, 64194), (823, 38142), (978, 32097), (1467, 21398), (1646, 19071), (2119, 14814), (2469, 12714), (2934, 10699), (4238, 7407), (4938, 6357)]