199845268

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1163}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 447031872

約数和(自身を除く): 247186604

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 361, 476, 532, 646, 722, 1163, 1292, 1444, 2261, 2326, 2527, 4522, 4652, 5054, 6137, 8141, 9044, 10108, 12274, 16282, 19771, 22097, 24548, 32564, 39542, 42959, 44194, 79084, 85918, 88388, 138397, 154679, 171836, 276794, 309358, 375649, 419843, 553588, 618716, 751298, 839686, 1502596, 1679372, 2629543, 2938901, 5259086, 5877802, 7137331, 10518172, 11755604, 14274662, 28549324, 49961317, 99922634, 199845268]

約数ペア:

[(1, 199845268), (2, 99922634), (4, 49961317), (7, 28549324), (14, 14274662), (17, 11755604), (19, 10518172), (28, 7137331), (34, 5877802), (38, 5259086), (68, 2938901), (76, 2629543), (119, 1679372), (133, 1502596), (238, 839686), (266, 751298), (323, 618716), (361, 553588), (476, 419843), (532, 375649), (646, 309358), (722, 276794), (1163, 171836), (1292, 154679), (1444, 138397), (2261, 88388), (2326, 85918), (2527, 79084), (4522, 44194), (4652, 42959), (5054, 39542), (6137, 32564), (8141, 24548), (9044, 22097), (10108, 19771), (12274, 16282)]