12490855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 17075520

約数和(自身を除く): 4584665

約数列:

[1, 5, 13, 41, 43, 65, 109, 205, 215, 533, 545, 559, 1417, 1763, 2665, 2795, 4469, 4687, 7085, 8815, 22345, 22919, 23435, 58097, 60931, 114595, 192167, 290485, 304655, 960835, 2498171, 12490855]

約数ペア:

[(1, 12490855), (5, 2498171), (13, 960835), (41, 304655), (43, 290485), (65, 192167), (109, 114595), (205, 60931), (215, 58097), (533, 23435), (545, 22919), (559, 22345), (1417, 8815), (1763, 7085), (2665, 4687), (2795, 4469)]