205389928

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{4729}}^1$

素因数の和:4885

約数の個数: 32

約数和(自身を含む): 395901000

約数和(自身を除く): 190511072

約数列:

[1, 2, 4, 8, 61, 89, 122, 178, 244, 356, 488, 712, 4729, 5429, 9458, 10858, 18916, 21716, 37832, 43432, 288469, 420881, 576938, 841762, 1153876, 1683524, 2307752, 3367048, 25673741, 51347482, 102694964, 205389928]

約数ペア:

[(1, 205389928), (2, 102694964), (4, 51347482), (8, 25673741), (61, 3367048), (89, 2307752), (122, 1683524), (178, 1153876), (244, 841762), (356, 576938), (488, 420881), (712, 288469), (4729, 43432), (5429, 37832), (9458, 21716), (10858, 18916)]