278927714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{2099}}^1$

素因数の和:2402

約数の個数: 32

約数和(自身を含む): 476280000

約数和(自身を除く): 197352286

約数列:

[1, 2, 13, 19, 26, 38, 247, 269, 494, 538, 2099, 3497, 4198, 5111, 6994, 10222, 27287, 39881, 54574, 66443, 79762, 132886, 518453, 564631, 1036906, 1129262, 7340203, 10727989, 14680406, 21455978, 139463857, 278927714]

約数ペア:

[(1, 278927714), (2, 139463857), (13, 21455978), (19, 14680406), (26, 10727989), (38, 7340203), (247, 1129262), (269, 1036906), (494, 564631), (538, 518453), (2099, 132886), (3497, 79762), (4198, 66443), (5111, 54574), (6994, 39881), (10222, 27287)]