139561891

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1093}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 179591040

約数和(自身を除く): 40029149

約数列:

[1, 7, 17, 29, 37, 119, 203, 259, 493, 629, 1073, 1093, 3451, 4403, 7511, 7651, 18241, 18581, 31697, 40441, 127687, 130067, 221879, 283087, 538849, 687497, 1172789, 3771943, 4812479, 8209523, 19937413, 139561891]

約数ペア:

[(1, 139561891), (7, 19937413), (17, 8209523), (29, 4812479), (37, 3771943), (119, 1172789), (203, 687497), (259, 538849), (493, 283087), (629, 221879), (1073, 130067), (1093, 127687), (3451, 40441), (4403, 31697), (7511, 18581), (7651, 18241)]