205676816

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 433305600

約数和(自身を除く): 227628784

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 79, 116, 124, 158, 181, 232, 248, 316, 362, 464, 496, 632, 724, 899, 1264, 1448, 1798, 2291, 2449, 2896, 3596, 4582, 4898, 5249, 5611, 7192, 9164, 9796, 10498, 11222, 14299, 14384, 18328, 19592, 20996, 22444, 28598, 36656, 39184, 41992, 44888, 57196, 71021, 83984, 89776, 114392, 142042, 162719, 228784, 284084, 325438, 414671, 443269, 568168, 650876, 829342, 886538, 1136336, 1301752, 1658684, 1773076, 2603504, 3317368, 3546152, 6634736, 7092304, 12854801, 25709602, 51419204, 102838408, 205676816]

約数ペア:

[(1, 205676816), (2, 102838408), (4, 51419204), (8, 25709602), (16, 12854801), (29, 7092304), (31, 6634736), (58, 3546152), (62, 3317368), (79, 2603504), (116, 1773076), (124, 1658684), (158, 1301752), (181, 1136336), (232, 886538), (248, 829342), (316, 650876), (362, 568168), (464, 443269), (496, 414671), (632, 325438), (724, 284084), (899, 228784), (1264, 162719), (1448, 142042), (1798, 114392), (2291, 89776), (2449, 83984), (2896, 71021), (3596, 57196), (4582, 44888), (4898, 41992), (5249, 39184), (5611, 36656), (7192, 28598), (9164, 22444), (9796, 20996), (10498, 19592), (11222, 18328), (14299, 14384)]