201997456

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{829}}^1$

素因数の和:1091

約数の個数: 40

約数和(自身を含む): 398403320

約数和(自身を除く): 196405864

約数列:

[1, 2, 4, 8, 16, 97, 157, 194, 314, 388, 628, 776, 829, 1256, 1552, 1658, 2512, 3316, 6632, 13264, 15229, 30458, 60916, 80413, 121832, 130153, 160826, 243664, 260306, 321652, 520612, 643304, 1041224, 1286608, 2082448, 12624841, 25249682, 50499364, 100998728, 201997456]

約数ペア:

[(1, 201997456), (2, 100998728), (4, 50499364), (8, 25249682), (16, 12624841), (97, 2082448), (157, 1286608), (194, 1041224), (314, 643304), (388, 520612), (628, 321652), (776, 260306), (829, 243664), (1256, 160826), (1552, 130153), (1658, 121832), (2512, 80413), (3316, 60916), (6632, 30458), (13264, 15229)]