215924072

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 537062400

約数和(自身を除く): 321138328

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 73, 91, 104, 119, 136, 146, 182, 221, 238, 239, 292, 364, 442, 476, 478, 511, 584, 728, 884, 949, 952, 956, 1022, 1241, 1547, 1673, 1768, 1898, 1912, 2044, 2482, 3094, 3107, 3346, 3796, 4063, 4088, 4964, 6188, 6214, 6643, 6692, 7592, 8126, 8687, 9928, 12376, 12428, 13286, 13384, 16133, 16252, 17374, 17447, 21749, 24856, 26572, 28441, 32266, 32504, 34748, 34894, 43498, 52819, 53144, 56882, 64532, 69496, 69788, 86996, 105638, 112931, 113764, 122129, 129064, 139576, 173992, 211276, 225862, 226811, 227528, 244258, 296599, 369733, 422552, 451724, 453622, 488516, 593198, 739466, 903448, 907244, 977032, 1186396, 1478932, 1587677, 1814488, 2076193, 2372792, 2957864, 3175354, 3855787, 4152386, 6350708, 7711574, 8304772, 12701416, 15423148, 16609544, 26990509, 30846296, 53981018, 107962036, 215924072]

約数ペア:

[(1, 215924072), (2, 107962036), (4, 53981018), (7, 30846296), (8, 26990509), (13, 16609544), (14, 15423148), (17, 12701416), (26, 8304772), (28, 7711574), (34, 6350708), (52, 4152386), (56, 3855787), (68, 3175354), (73, 2957864), (91, 2372792), (104, 2076193), (119, 1814488), (136, 1587677), (146, 1478932), (182, 1186396), (221, 977032), (238, 907244), (239, 903448), (292, 739466), (364, 593198), (442, 488516), (476, 453622), (478, 451724), (511, 422552), (584, 369733), (728, 296599), (884, 244258), (949, 227528), (952, 226811), (956, 225862), (1022, 211276), (1241, 173992), (1547, 139576), (1673, 129064), (1768, 122129), (1898, 113764), (1912, 112931), (2044, 105638), (2482, 86996), (3094, 69788), (3107, 69496), (3346, 64532), (3796, 56882), (4063, 53144), (4088, 52819), (4964, 43498), (6188, 34894), (6214, 34748), (6643, 32504), (6692, 32266), (7592, 28441), (8126, 26572), (8687, 24856), (9928, 21749), (12376, 17447), (12428, 17374), (13286, 16252), (13384, 16133)]