2123212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 4829440

約数和(自身を除く): 2706228

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 307, 364, 494, 532, 614, 988, 1228, 1729, 2149, 3458, 3991, 4298, 5833, 6916, 7982, 8596, 11666, 15964, 23332, 27937, 40831, 55874, 75829, 81662, 111748, 151658, 163324, 303316, 530803, 1061606, 2123212]

約数ペア:

[(1, 2123212), (2, 1061606), (4, 530803), (7, 303316), (13, 163324), (14, 151658), (19, 111748), (26, 81662), (28, 75829), (38, 55874), (52, 40831), (76, 27937), (91, 23332), (133, 15964), (182, 11666), (247, 8596), (266, 7982), (307, 6916), (364, 5833), (494, 4298), (532, 3991), (614, 3458), (988, 2149), (1228, 1729)]