208407143

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 259008000

約数和(自身を除く): 50600857

約数列:

[1, 7, 19, 49, 113, 133, 283, 343, 791, 931, 1981, 2147, 5377, 5537, 6517, 13867, 15029, 31979, 37639, 38759, 97069, 105203, 223853, 263473, 607601, 736421, 1566971, 1844311, 4253207, 10968797, 29772449, 208407143]

約数ペア:

[(1, 208407143), (7, 29772449), (19, 10968797), (49, 4253207), (113, 1844311), (133, 1566971), (283, 736421), (343, 607601), (791, 263473), (931, 223853), (1981, 105203), (2147, 97069), (5377, 38759), (5537, 37639), (6517, 31979), (13867, 15029)]