839278321

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 1068681600

約数和(自身を除く): 229403279

約数列:

[1, 7, 17, 49, 61, 83, 119, 199, 427, 581, 833, 1037, 1393, 1411, 2989, 3383, 4067, 5063, 7259, 9751, 9877, 12139, 16517, 23681, 35441, 50813, 69139, 84973, 86071, 115619, 165767, 206363, 248087, 280789, 594811, 602497, 809333, 1007537, 1444541, 1965523, 4217479, 7052759, 10111787, 13758661, 17128129, 49369313, 119896903, 839278321]

約数ペア:

[(1, 839278321), (7, 119896903), (17, 49369313), (49, 17128129), (61, 13758661), (83, 10111787), (119, 7052759), (199, 4217479), (427, 1965523), (581, 1444541), (833, 1007537), (1037, 809333), (1393, 602497), (1411, 594811), (2989, 280789), (3383, 248087), (4067, 206363), (5063, 165767), (7259, 115619), (9751, 86071), (9877, 84973), (12139, 69139), (16517, 50813), (23681, 35441)]