11778455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 15653088

約数和(自身を除く): 3874633

約数列:

[1, 5, 13, 53, 65, 169, 263, 265, 689, 845, 1315, 3419, 3445, 8957, 13939, 17095, 44447, 44785, 69695, 181207, 222235, 906035, 2355691, 11778455]

約数ペア:

[(1, 11778455), (5, 2355691), (13, 906035), (53, 222235), (65, 181207), (169, 69695), (263, 44785), (265, 44447), (689, 17095), (845, 13939), (1315, 8957), (3419, 3445)]