12776995

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{431}}^1$

素因数の和:472

約数の個数: 36

約数和(自身を含む): 19649952

約数和(自身を除く): 6872957

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 385, 431, 539, 605, 847, 2155, 2695, 3017, 4235, 4741, 5929, 15085, 21119, 23705, 29645, 33187, 52151, 105595, 165935, 232309, 260755, 365057, 1161545, 1825285, 2555399, 12776995]

約数ペア:

[(1, 12776995), (5, 2555399), (7, 1825285), (11, 1161545), (35, 365057), (49, 260755), (55, 232309), (77, 165935), (121, 105595), (245, 52151), (385, 33187), (431, 29645), (539, 23705), (605, 21119), (847, 15085), (2155, 5929), (2695, 4741), (3017, 4235)]