251516547

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2864

約数の個数: 48

約数和(自身を含む): 418129920

約数和(自身を除く): 166613373

約数列:

[1, 3, 9, 17, 19, 31, 51, 57, 93, 153, 171, 279, 323, 527, 589, 969, 1581, 1767, 2791, 2907, 4743, 5301, 8373, 10013, 25119, 30039, 47447, 53029, 86521, 90117, 142341, 159087, 259563, 427023, 477261, 778689, 901493, 1470857, 1643899, 2704479, 4412571, 4931697, 8113437, 13237713, 14795091, 27946283, 83838849, 251516547]

約数ペア:

[(1, 251516547), (3, 83838849), (9, 27946283), (17, 14795091), (19, 13237713), (31, 8113437), (51, 4931697), (57, 4412571), (93, 2704479), (153, 1643899), (171, 1470857), (279, 901493), (323, 778689), (527, 477261), (589, 427023), (969, 259563), (1581, 159087), (1767, 142341), (2791, 90117), (2907, 86521), (4743, 53029), (5301, 47447), (8373, 30039), (10013, 25119)]