221977.00000000

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 47040000

約数和(自身を除く): 24652348

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 79, 116, 158, 203, 316, 349, 406, 553, 698, 812, 1106, 1396, 2212, 2291, 2443, 4582, 4886, 9164, 9772, 10121, 16037, 20242, 27571, 32074, 40484, 55142, 64148, 70847, 110284, 141694, 192997, 283388, 385994, 771988, 799559, 1599118, 3198236, 5596913, 11193826, 22387652]

約数ペア:

[(1, 22387652), (2, 11193826), (4, 5596913), (7, 3198236), (14, 1599118), (28, 799559), (29, 771988), (58, 385994), (79, 283388), (116, 192997), (158, 141694), (203, 110284), (316, 70847), (349, 64148), (406, 55142), (553, 40484), (698, 32074), (812, 27571), (1106, 20242), (1396, 16037), (2212, 10121), (2291, 9772), (2443, 9164), (4582, 4886)]