25016979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 13508781

約数列:

[1, 3, 13, 17, 39, 51, 97, 221, 291, 389, 663, 1167, 1261, 1649, 3783, 4947, 5057, 6613, 15171, 19839, 21437, 37733, 64311, 85969, 113199, 257907, 490529, 641461, 1471587, 1924383, 8338993, 25016979]

約数ペア:

[(1, 25016979), (3, 8338993), (13, 1924383), (17, 1471587), (39, 641461), (51, 490529), (97, 257907), (221, 113199), (291, 85969), (389, 64311), (663, 37733), (1167, 21437), (1261, 19839), (1649, 15171), (3783, 6613), (4947, 5057)]