201878215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 308960064

約数和(自身を除く): 107081849

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 121, 365, 385, 511, 605, 653, 803, 847, 2555, 3265, 4015, 4235, 4571, 5621, 7183, 8833, 22855, 28105, 35915, 44165, 47669, 50281, 61831, 79013, 238345, 251405, 309155, 333683, 395065, 524359, 553091, 1668415, 2621795, 2765455, 3670513, 5767949, 18352565, 28839745, 40375643, 201878215]

約数ペア:

[(1, 201878215), (5, 40375643), (7, 28839745), (11, 18352565), (35, 5767949), (55, 3670513), (73, 2765455), (77, 2621795), (121, 1668415), (365, 553091), (385, 524359), (511, 395065), (605, 333683), (653, 309155), (803, 251405), (847, 238345), (2555, 79013), (3265, 61831), (4015, 50281), (4235, 47669), (4571, 44165), (5621, 35915), (7183, 28105), (8833, 22855)]