989791033

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 1332453888

約数和(自身を除く): 342662855

約数列:

[1, 7, 11, 31, 37, 49, 77, 217, 259, 341, 407, 539, 1147, 1519, 1601, 1813, 2387, 2849, 8029, 11207, 12617, 16709, 17611, 19943, 49631, 56203, 59237, 78449, 88319, 123277, 347417, 414659, 545941, 618233, 651607, 862939, 1836347, 2431919, 2902613, 3821587, 4561249, 12854429, 20199817, 26751109, 31928743, 89981003, 141398719, 989791033]

約数ペア:

[(1, 989791033), (7, 141398719), (11, 89981003), (31, 31928743), (37, 26751109), (49, 20199817), (77, 12854429), (217, 4561249), (259, 3821587), (341, 2902613), (407, 2431919), (539, 1836347), (1147, 862939), (1519, 651607), (1601, 618233), (1813, 545941), (2387, 414659), (2849, 347417), (8029, 123277), (11207, 88319), (12617, 78449), (16709, 59237), (17611, 56203), (19943, 49631)]