12790724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 24998400

約数和(自身を除く): 12207676

約数列:

[1, 2, 4, 19, 31, 38, 61, 62, 76, 89, 122, 124, 178, 244, 356, 589, 1159, 1178, 1691, 1891, 2318, 2356, 2759, 3382, 3782, 4636, 5429, 5518, 6764, 7564, 10858, 11036, 21716, 35929, 52421, 71858, 103151, 104842, 143716, 168299, 206302, 209684, 336598, 412604, 673196, 3197681, 6395362, 12790724]

約数ペア:

[(1, 12790724), (2, 6395362), (4, 3197681), (19, 673196), (31, 412604), (38, 336598), (61, 209684), (62, 206302), (76, 168299), (89, 143716), (122, 104842), (124, 103151), (178, 71858), (244, 52421), (356, 35929), (589, 21716), (1159, 11036), (1178, 10858), (1691, 7564), (1891, 6764), (2318, 5518), (2356, 5429), (2759, 4636), (3382, 3782)]