199908436

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1269

約数の個数: 72

約数和(自身を含む): 445181856

約数和(自身を除く): 245273420

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 67, 91, 98, 134, 182, 196, 268, 364, 469, 637, 871, 938, 1171, 1274, 1742, 1876, 2342, 2548, 3283, 3484, 4684, 6097, 6566, 8197, 12194, 13132, 15223, 16394, 24388, 30446, 32788, 42679, 57379, 60892, 78457, 85358, 106561, 114758, 156914, 170716, 213122, 229516, 313828, 426244, 549199, 745927, 1019941, 1098398, 1491854, 2039882, 2196796, 2983708, 3844393, 4079764, 7139587, 7688786, 14279174, 15377572, 28558348, 49977109, 99954218, 199908436]

約数ペア:

[(1, 199908436), (2, 99954218), (4, 49977109), (7, 28558348), (13, 15377572), (14, 14279174), (26, 7688786), (28, 7139587), (49, 4079764), (52, 3844393), (67, 2983708), (91, 2196796), (98, 2039882), (134, 1491854), (182, 1098398), (196, 1019941), (268, 745927), (364, 549199), (469, 426244), (637, 313828), (871, 229516), (938, 213122), (1171, 170716), (1274, 156914), (1742, 114758), (1876, 106561), (2342, 85358), (2548, 78457), (3283, 60892), (3484, 57379), (4684, 42679), (6097, 32788), (6566, 30446), (8197, 24388), (12194, 16394), (13132, 15223)]