12253871

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 15168384

約数和(自身を除く): 2914513

約数列:

[1, 7, 23, 49, 83, 131, 161, 581, 917, 1127, 1909, 3013, 4067, 6419, 10873, 13363, 21091, 76111, 93541, 147637, 250079, 532777, 1750553, 12253871]

約数ペア:

[(1, 12253871), (7, 1750553), (23, 532777), (49, 250079), (83, 147637), (131, 93541), (161, 76111), (581, 21091), (917, 13363), (1127, 10873), (1909, 6419), (3013, 4067)]