205260328

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 496742400

約数和(自身を除く): 291482072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 79, 83, 86, 91, 104, 158, 166, 172, 182, 301, 316, 332, 344, 364, 553, 559, 581, 602, 632, 664, 728, 1027, 1079, 1106, 1118, 1162, 1204, 2054, 2158, 2212, 2236, 2324, 2408, 3397, 3569, 3913, 4108, 4316, 4424, 4472, 4648, 6557, 6794, 7138, 7189, 7553, 7826, 8216, 8632, 13114, 13588, 14276, 14378, 15106, 15652, 23779, 24983, 26228, 27176, 28552, 28756, 30212, 31304, 44161, 45899, 46397, 47558, 49966, 52456, 57512, 60424, 85241, 88322, 91798, 92794, 95116, 99932, 170482, 176644, 183596, 185588, 190232, 199864, 281951, 309127, 324779, 340964, 353288, 367192, 371176, 563902, 596687, 618254, 649558, 681928, 1127804, 1193374, 1236508, 1299116, 1973657, 2255608, 2386748, 2473016, 2598232, 3665363, 3947314, 4773496, 7330726, 7894628, 14661452, 15789256, 25657541, 29322904, 51315082, 102630164, 205260328]

約数ペア:

[(1, 205260328), (2, 102630164), (4, 51315082), (7, 29322904), (8, 25657541), (13, 15789256), (14, 14661452), (26, 7894628), (28, 7330726), (43, 4773496), (52, 3947314), (56, 3665363), (79, 2598232), (83, 2473016), (86, 2386748), (91, 2255608), (104, 1973657), (158, 1299116), (166, 1236508), (172, 1193374), (182, 1127804), (301, 681928), (316, 649558), (332, 618254), (344, 596687), (364, 563902), (553, 371176), (559, 367192), (581, 353288), (602, 340964), (632, 324779), (664, 309127), (728, 281951), (1027, 199864), (1079, 190232), (1106, 185588), (1118, 183596), (1162, 176644), (1204, 170482), (2054, 99932), (2158, 95116), (2212, 92794), (2236, 91798), (2324, 88322), (2408, 85241), (3397, 60424), (3569, 57512), (3913, 52456), (4108, 49966), (4316, 47558), (4424, 46397), (4472, 45899), (4648, 44161), (6557, 31304), (6794, 30212), (7138, 28756), (7189, 28552), (7553, 27176), (7826, 26228), (8216, 24983), (8632, 23779), (13114, 15652), (13588, 15106), (14276, 14378)]