204847775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 292481280

約数和(自身を除く): 87633505

約数列:

[1, 5, 11, 23, 25, 55, 115, 139, 233, 253, 275, 575, 695, 1165, 1265, 1529, 2563, 3197, 3475, 5359, 5825, 6325, 7645, 12815, 15985, 26795, 32387, 35167, 38225, 58949, 64075, 79925, 133975, 161935, 175835, 294745, 356257, 744901, 809675, 879175, 1473725, 1781285, 3724505, 8193911, 8906425, 18622525, 40969555, 204847775]

約数ペア:

[(1, 204847775), (5, 40969555), (11, 18622525), (23, 8906425), (25, 8193911), (55, 3724505), (115, 1781285), (139, 1473725), (233, 879175), (253, 809675), (275, 744901), (575, 356257), (695, 294745), (1165, 175835), (1265, 161935), (1529, 133975), (2563, 79925), (3197, 64075), (3475, 58949), (5359, 38225), (5825, 35167), (6325, 32387), (7645, 26795), (12815, 15985)]