215412918

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:839

約数の個数: 80

約数和(自身を含む): 529725120

約数和(自身を除く): 314312202

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 343, 399, 686, 787, 798, 931, 1029, 1574, 1862, 2058, 2361, 2401, 2793, 4722, 4802, 5509, 5586, 6517, 7203, 11018, 13034, 14406, 14953, 16527, 19551, 29906, 33054, 38563, 39102, 44859, 45619, 77126, 89718, 91238, 104671, 115689, 136857, 209342, 231378, 269941, 273714, 314013, 539882, 628026, 732697, 809823, 1465394, 1619646, 1889587, 2198091, 3779174, 4396182, 5128879, 5668761, 10257758, 11337522, 15386637, 30773274, 35902153, 71804306, 107706459, 215412918]

約数ペア:

[(1, 215412918), (2, 107706459), (3, 71804306), (6, 35902153), (7, 30773274), (14, 15386637), (19, 11337522), (21, 10257758), (38, 5668761), (42, 5128879), (49, 4396182), (57, 3779174), (98, 2198091), (114, 1889587), (133, 1619646), (147, 1465394), (266, 809823), (294, 732697), (343, 628026), (399, 539882), (686, 314013), (787, 273714), (798, 269941), (931, 231378), (1029, 209342), (1574, 136857), (1862, 115689), (2058, 104671), (2361, 91238), (2401, 89718), (2793, 77126), (4722, 45619), (4802, 44859), (5509, 39102), (5586, 38563), (6517, 33054), (7203, 29906), (11018, 19551), (13034, 16527), (14406, 14953)]