201997848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{647429}}^1$

素因数の和:647451

約数の個数: 32

約数和(自身を含む): 543841200

約数和(自身を除く): 341843352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 647429, 1294858, 1942287, 2589716, 3884574, 5179432, 7769148, 8416577, 15538296, 16833154, 25249731, 33666308, 50499462, 67332616, 100998924, 201997848]

約数ペア:

[(1, 201997848), (2, 100998924), (3, 67332616), (4, 50499462), (6, 33666308), (8, 25249731), (12, 16833154), (13, 15538296), (24, 8416577), (26, 7769148), (39, 5179432), (52, 3884574), (78, 2589716), (104, 1942287), (156, 1294858), (312, 647429)]