71301728

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 143999856

約数和(自身を除く): 72698128

約数列:

[1, 2, 4, 8, 16, 32, 73, 131, 146, 233, 262, 292, 466, 524, 584, 932, 1048, 1168, 1864, 2096, 2336, 3728, 4192, 7456, 9563, 17009, 19126, 30523, 34018, 38252, 61046, 68036, 76504, 122092, 136072, 153008, 244184, 272144, 306016, 488368, 544288, 976736, 2228179, 4456358, 8912716, 17825432, 35650864, 71301728]

約数ペア:

[(1, 71301728), (2, 35650864), (4, 17825432), (8, 8912716), (16, 4456358), (32, 2228179), (73, 976736), (131, 544288), (146, 488368), (233, 306016), (262, 272144), (292, 244184), (466, 153008), (524, 136072), (584, 122092), (932, 76504), (1048, 68036), (1168, 61046), (1864, 38252), (2096, 34018), (2336, 30523), (3728, 19126), (4192, 17009), (7456, 9563)]