664312368

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 1739460096

約数和(自身を除く): 1075147728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 197, 326, 394, 431, 489, 591, 652, 788, 862, 978, 1182, 1293, 1304, 1576, 1724, 1956, 2364, 2586, 2608, 3152, 3448, 3912, 4728, 5172, 6896, 7824, 9456, 10344, 20688, 32111, 64222, 70253, 84907, 96333, 128444, 140506, 169814, 192666, 210759, 254721, 256888, 281012, 339628, 385332, 421518, 509442, 513776, 562024, 679256, 770664, 843036, 1018884, 1124048, 1358512, 1541328, 1686072, 2037768, 3372144, 4075536, 13839841, 27679682, 41519523, 55359364, 83039046, 110718728, 166078092, 221437456, 332156184, 664312368]

約数ペア:

[(1, 664312368), (2, 332156184), (3, 221437456), (4, 166078092), (6, 110718728), (8, 83039046), (12, 55359364), (16, 41519523), (24, 27679682), (48, 13839841), (163, 4075536), (197, 3372144), (326, 2037768), (394, 1686072), (431, 1541328), (489, 1358512), (591, 1124048), (652, 1018884), (788, 843036), (862, 770664), (978, 679256), (1182, 562024), (1293, 513776), (1304, 509442), (1576, 421518), (1724, 385332), (1956, 339628), (2364, 281012), (2586, 256888), (2608, 254721), (3152, 210759), (3448, 192666), (3912, 169814), (4728, 140506), (5172, 128444), (6896, 96333), (7824, 84907), (9456, 70253), (10344, 64222), (20688, 32111)]