201557228

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{2309}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 357680400

約数和(自身を除く): 156123172

約数列:

[1, 2, 4, 139, 157, 278, 314, 556, 628, 2309, 4618, 9236, 21823, 43646, 87292, 320951, 362513, 641902, 725026, 1283804, 1450052, 50389307, 100778614, 201557228]

約数ペア:

[(1, 201557228), (2, 100778614), (4, 50389307), (139, 1450052), (157, 1283804), (278, 725026), (314, 641902), (556, 362513), (628, 320951), (2309, 87292), (4618, 43646), (9236, 21823)]