218640208

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 464720256

約数和(自身を除く): 246080048

約数列:

[1, 2, 4, 8, 16, 23, 41, 43, 46, 82, 86, 92, 164, 172, 184, 328, 337, 344, 368, 656, 674, 688, 943, 989, 1348, 1763, 1886, 1978, 2696, 3526, 3772, 3956, 5392, 7052, 7544, 7751, 7912, 13817, 14104, 14491, 15088, 15502, 15824, 27634, 28208, 28982, 31004, 40549, 55268, 57964, 62008, 81098, 110536, 115928, 124016, 162196, 221072, 231856, 317791, 324392, 333293, 594131, 635582, 648784, 666586, 1188262, 1271164, 1333172, 2376524, 2542328, 2666344, 4753048, 5084656, 5332688, 9506096, 13665013, 27330026, 54660052, 109320104, 218640208]

約数ペア:

[(1, 218640208), (2, 109320104), (4, 54660052), (8, 27330026), (16, 13665013), (23, 9506096), (41, 5332688), (43, 5084656), (46, 4753048), (82, 2666344), (86, 2542328), (92, 2376524), (164, 1333172), (172, 1271164), (184, 1188262), (328, 666586), (337, 648784), (344, 635582), (368, 594131), (656, 333293), (674, 324392), (688, 317791), (943, 231856), (989, 221072), (1348, 162196), (1763, 124016), (1886, 115928), (1978, 110536), (2696, 81098), (3526, 62008), (3772, 57964), (3956, 55268), (5392, 40549), (7052, 31004), (7544, 28982), (7751, 28208), (7912, 27634), (13817, 15824), (14104, 15502), (14491, 15088)]