221473672

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1129}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 494668800

約数和(自身を除く): 273195128

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 113, 124, 217, 226, 248, 434, 452, 791, 868, 904, 1129, 1582, 1736, 2258, 3164, 3503, 4516, 6328, 7006, 7903, 9032, 14012, 15806, 24521, 28024, 31612, 34999, 49042, 63224, 69998, 98084, 127577, 139996, 196168, 244993, 255154, 279992, 489986, 510308, 893039, 979972, 1020616, 1786078, 1959944, 3572156, 3954887, 7144312, 7909774, 15819548, 27684209, 31639096, 55368418, 110736836, 221473672]

約数ペア:

[(1, 221473672), (2, 110736836), (4, 55368418), (7, 31639096), (8, 27684209), (14, 15819548), (28, 7909774), (31, 7144312), (56, 3954887), (62, 3572156), (113, 1959944), (124, 1786078), (217, 1020616), (226, 979972), (248, 893039), (434, 510308), (452, 489986), (791, 279992), (868, 255154), (904, 244993), (1129, 196168), (1582, 139996), (1736, 127577), (2258, 98084), (3164, 69998), (3503, 63224), (4516, 49042), (6328, 34999), (7006, 31612), (7903, 28024), (9032, 24521), (14012, 15806)]