221081336

素因数分解:

$2^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 525312000

約数和(自身を除く): 304230664

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 49, 56, 62, 92, 98, 113, 124, 161, 184, 196, 217, 226, 248, 322, 343, 392, 434, 452, 644, 686, 713, 791, 868, 904, 1127, 1288, 1372, 1426, 1519, 1582, 1736, 2254, 2599, 2744, 2852, 3038, 3164, 3503, 4508, 4991, 5198, 5537, 5704, 6076, 6328, 7006, 7889, 9016, 9982, 10396, 10633, 11074, 12152, 14012, 15778, 18193, 19964, 20792, 21266, 22148, 24521, 28024, 31556, 34937, 36386, 38759, 39928, 42532, 44296, 49042, 63112, 69874, 72772, 77518, 80569, 85064, 98084, 127351, 139748, 145544, 155036, 161138, 171647, 196168, 244559, 254702, 279496, 310072, 322276, 343294, 489118, 509404, 563983, 644552, 686588, 891457, 978236, 1018808, 1127966, 1201529, 1373176, 1782914, 1956472, 2255932, 2403058, 3565828, 3947881, 4511864, 4806116, 7131656, 7895762, 9612232, 15791524, 27635167, 31583048, 55270334, 110540668, 221081336]

約数ペア:

[(1, 221081336), (2, 110540668), (4, 55270334), (7, 31583048), (8, 27635167), (14, 15791524), (23, 9612232), (28, 7895762), (31, 7131656), (46, 4806116), (49, 4511864), (56, 3947881), (62, 3565828), (92, 2403058), (98, 2255932), (113, 1956472), (124, 1782914), (161, 1373176), (184, 1201529), (196, 1127966), (217, 1018808), (226, 978236), (248, 891457), (322, 686588), (343, 644552), (392, 563983), (434, 509404), (452, 489118), (644, 343294), (686, 322276), (713, 310072), (791, 279496), (868, 254702), (904, 244559), (1127, 196168), (1288, 171647), (1372, 161138), (1426, 155036), (1519, 145544), (1582, 139748), (1736, 127351), (2254, 98084), (2599, 85064), (2744, 80569), (2852, 77518), (3038, 72772), (3164, 69874), (3503, 63112), (4508, 49042), (4991, 44296), (5198, 42532), (5537, 39928), (5704, 38759), (6076, 36386), (6328, 34937), (7006, 31556), (7889, 28024), (9016, 24521), (9982, 22148), (10396, 21266), (10633, 20792), (11074, 19964), (12152, 18193), (14012, 15778)]