221200568

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{6949}}^1$

素因数の和:7151

約数の個数: 32

約数和(自身を含む): 435348000

約数和(自身を除く): 214147432

約数列:

[1, 2, 4, 8, 23, 46, 92, 173, 184, 346, 692, 1384, 3979, 6949, 7958, 13898, 15916, 27796, 31832, 55592, 159827, 319654, 639308, 1202177, 1278616, 2404354, 4808708, 9617416, 27650071, 55300142, 110600284, 221200568]

約数ペア:

[(1, 221200568), (2, 110600284), (4, 55300142), (8, 27650071), (23, 9617416), (46, 4808708), (92, 2404354), (173, 1278616), (184, 1202177), (346, 639308), (692, 319654), (1384, 159827), (3979, 55592), (6949, 31832), (7958, 27796), (13898, 15916)]