28707714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3295

約数の個数: 48

約数和(自身を含む): 72109440

約数和(自身を除く): 43401726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2982, 3209, 4473, 6418, 8946, 9627, 19254, 22463, 28881, 44926, 57762, 67389, 134778, 202167, 227839, 404334, 455678, 683517, 1367034, 1594873, 2050551, 3189746, 4101102, 4784619, 9569238, 14353857, 28707714]

約数ペア:

[(1, 28707714), (2, 14353857), (3, 9569238), (6, 4784619), (7, 4101102), (9, 3189746), (14, 2050551), (18, 1594873), (21, 1367034), (42, 683517), (63, 455678), (71, 404334), (126, 227839), (142, 202167), (213, 134778), (426, 67389), (497, 57762), (639, 44926), (994, 28881), (1278, 22463), (1491, 19254), (2982, 9627), (3209, 8946), (4473, 6418)]