16857256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 36004500

約数和(自身を除く): 19147244

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 449, 494, 722, 898, 988, 1444, 1796, 1976, 2888, 3592, 4693, 5837, 8531, 9386, 11674, 17062, 18772, 23348, 34124, 37544, 46696, 68248, 110903, 162089, 221806, 324178, 443612, 648356, 887224, 1296712, 2107157, 4214314, 8428628, 16857256]

約数ペア:

[(1, 16857256), (2, 8428628), (4, 4214314), (8, 2107157), (13, 1296712), (19, 887224), (26, 648356), (38, 443612), (52, 324178), (76, 221806), (104, 162089), (152, 110903), (247, 68248), (361, 46696), (449, 37544), (494, 34124), (722, 23348), (898, 18772), (988, 17062), (1444, 11674), (1796, 9386), (1976, 8531), (2888, 5837), (3592, 4693)]