279503562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2087}}^1$

素因数の和:2223

約数の個数: 64

約数和(自身を含む): 644039424

約数和(自身を除く): 364535862

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 101, 102, 202, 221, 303, 442, 606, 663, 1313, 1326, 1717, 2087, 2626, 3434, 3939, 4174, 5151, 6261, 7878, 10302, 12522, 22321, 27131, 35479, 44642, 54262, 66963, 70958, 81393, 106437, 133926, 162786, 210787, 212874, 421574, 461227, 632361, 922454, 1264722, 1383681, 2740231, 2767362, 3583379, 5480462, 7166758, 8220693, 10750137, 16441386, 21500274, 46583927, 93167854, 139751781, 279503562]

約数ペア:

[(1, 279503562), (2, 139751781), (3, 93167854), (6, 46583927), (13, 21500274), (17, 16441386), (26, 10750137), (34, 8220693), (39, 7166758), (51, 5480462), (78, 3583379), (101, 2767362), (102, 2740231), (202, 1383681), (221, 1264722), (303, 922454), (442, 632361), (606, 461227), (663, 421574), (1313, 212874), (1326, 210787), (1717, 162786), (2087, 133926), (2626, 106437), (3434, 81393), (3939, 70958), (4174, 66963), (5151, 54262), (6261, 44642), (7878, 35479), (10302, 27131), (12522, 22321)]