221256448

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 536868864

約数和(自身を除く): 315612416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 47, 56, 64, 71, 74, 94, 112, 128, 142, 148, 188, 224, 256, 259, 284, 296, 329, 376, 448, 497, 518, 568, 592, 658, 752, 896, 994, 1036, 1136, 1184, 1316, 1504, 1739, 1792, 1988, 2072, 2272, 2368, 2627, 2632, 3008, 3337, 3478, 3976, 4144, 4544, 4736, 5254, 5264, 6016, 6674, 6956, 7952, 8288, 9088, 9472, 10508, 10528, 12032, 12173, 13348, 13912, 15904, 16576, 18176, 18389, 21016, 21056, 23359, 24346, 26696, 27824, 31808, 33152, 36778, 42032, 42112, 46718, 48692, 53392, 55648, 63616, 66304, 73556, 84064, 84224, 93436, 97384, 106784, 111296, 123469, 127232, 147112, 168128, 186872, 194768, 213568, 222592, 246938, 294224, 336256, 373744, 389536, 427136, 445184, 493876, 588448, 672512, 747488, 779072, 854272, 864283, 987752, 1176896, 1494976, 1558144, 1728566, 1975504, 2353792, 2989952, 3116288, 3457132, 3951008, 4707584, 5979904, 6914264, 7902016, 13828528, 15804032, 27657056, 31608064, 55314112, 110628224, 221256448]

約数ペア:

[(1, 221256448), (2, 110628224), (4, 55314112), (7, 31608064), (8, 27657056), (14, 15804032), (16, 13828528), (28, 7902016), (32, 6914264), (37, 5979904), (47, 4707584), (56, 3951008), (64, 3457132), (71, 3116288), (74, 2989952), (94, 2353792), (112, 1975504), (128, 1728566), (142, 1558144), (148, 1494976), (188, 1176896), (224, 987752), (256, 864283), (259, 854272), (284, 779072), (296, 747488), (329, 672512), (376, 588448), (448, 493876), (497, 445184), (518, 427136), (568, 389536), (592, 373744), (658, 336256), (752, 294224), (896, 246938), (994, 222592), (1036, 213568), (1136, 194768), (1184, 186872), (1316, 168128), (1504, 147112), (1739, 127232), (1792, 123469), (1988, 111296), (2072, 106784), (2272, 97384), (2368, 93436), (2627, 84224), (2632, 84064), (3008, 73556), (3337, 66304), (3478, 63616), (3976, 55648), (4144, 53392), (4544, 48692), (4736, 46718), (5254, 42112), (5264, 42032), (6016, 36778), (6674, 33152), (6956, 31808), (7952, 27824), (8288, 26696), (9088, 24346), (9472, 23359), (10508, 21056), (10528, 21016), (12032, 18389), (12173, 18176), (13348, 16576), (13912, 15904)]