291265136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{3643}}^1$

素因数の和:3933

約数の個数: 40

約数和(自身を含む): 596449920

約数和(自身を除く): 305184784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 263, 304, 526, 1052, 2104, 3643, 4208, 4997, 7286, 9994, 14572, 19988, 29144, 39976, 58288, 69217, 79952, 138434, 276868, 553736, 958109, 1107472, 1916218, 3832436, 7664872, 15329744, 18204071, 36408142, 72816284, 145632568, 291265136]

約数ペア:

[(1, 291265136), (2, 145632568), (4, 72816284), (8, 36408142), (16, 18204071), (19, 15329744), (38, 7664872), (76, 3832436), (152, 1916218), (263, 1107472), (304, 958109), (526, 553736), (1052, 276868), (2104, 138434), (3643, 79952), (4208, 69217), (4997, 58288), (7286, 39976), (9994, 29144), (14572, 19988)]