206885648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 444351024

約数和(自身を除く): 237465376

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 61, 68, 74, 122, 136, 148, 244, 272, 296, 337, 488, 592, 629, 674, 976, 1037, 1258, 1348, 2074, 2257, 2516, 2696, 4148, 4514, 5032, 5392, 5729, 8296, 9028, 10064, 11458, 12469, 16592, 18056, 20557, 22916, 24938, 36112, 38369, 41114, 45832, 49876, 76738, 82228, 91664, 99752, 153476, 164456, 199504, 211973, 306952, 328912, 349469, 423946, 613904, 698938, 760609, 847892, 1397876, 1521218, 1695784, 2795752, 3042436, 3391568, 5591504, 6084872, 12169744, 12930353, 25860706, 51721412, 103442824, 206885648]

約数ペア:

[(1, 206885648), (2, 103442824), (4, 51721412), (8, 25860706), (16, 12930353), (17, 12169744), (34, 6084872), (37, 5591504), (61, 3391568), (68, 3042436), (74, 2795752), (122, 1695784), (136, 1521218), (148, 1397876), (244, 847892), (272, 760609), (296, 698938), (337, 613904), (488, 423946), (592, 349469), (629, 328912), (674, 306952), (976, 211973), (1037, 199504), (1258, 164456), (1348, 153476), (2074, 99752), (2257, 91664), (2516, 82228), (2696, 76738), (4148, 49876), (4514, 45832), (5032, 41114), (5392, 38369), (5729, 36112), (8296, 24938), (9028, 22916), (10064, 20557), (11458, 18056), (12469, 16592)]