311915252

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 641898432

約数和(自身を除く): 329983180

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 167, 187, 227, 242, 334, 374, 454, 484, 668, 748, 908, 1837, 2057, 2497, 2839, 3674, 3859, 4114, 4994, 5678, 7348, 7718, 8228, 9988, 11356, 15436, 20207, 27467, 31229, 37909, 40414, 42449, 54934, 62458, 75818, 80828, 84898, 109868, 124916, 151636, 169796, 343519, 416999, 466939, 644453, 687038, 833998, 933878, 1288906, 1374076, 1667996, 1867756, 2577812, 4586989, 7088983, 9173978, 14177966, 18347956, 28355932, 77978813, 155957626, 311915252]

約数ペア:

[(1, 311915252), (2, 155957626), (4, 77978813), (11, 28355932), (17, 18347956), (22, 14177966), (34, 9173978), (44, 7088983), (68, 4586989), (121, 2577812), (167, 1867756), (187, 1667996), (227, 1374076), (242, 1288906), (334, 933878), (374, 833998), (454, 687038), (484, 644453), (668, 466939), (748, 416999), (908, 343519), (1837, 169796), (2057, 151636), (2497, 124916), (2839, 109868), (3674, 84898), (3859, 80828), (4114, 75818), (4994, 62458), (5678, 54934), (7348, 42449), (7718, 40414), (8228, 37909), (9988, 31229), (11356, 27467), (15436, 20207)]