248791808

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 515603088

約数和(自身を除く): 266811280

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 97, 128, 172, 194, 233, 256, 344, 388, 466, 688, 776, 932, 1376, 1552, 1864, 2752, 3104, 3728, 4171, 5504, 6208, 7456, 8342, 10019, 11008, 12416, 14912, 16684, 20038, 22601, 24832, 29824, 33368, 40076, 45202, 59648, 66736, 80152, 90404, 133472, 160304, 180808, 266944, 320608, 361616, 533888, 641216, 723232, 971843, 1067776, 1282432, 1446464, 1943686, 2564864, 2892928, 3887372, 5785856, 7774744, 15549488, 31098976, 62197952, 124395904, 248791808]

約数ペア:

[(1, 248791808), (2, 124395904), (4, 62197952), (8, 31098976), (16, 15549488), (32, 7774744), (43, 5785856), (64, 3887372), (86, 2892928), (97, 2564864), (128, 1943686), (172, 1446464), (194, 1282432), (233, 1067776), (256, 971843), (344, 723232), (388, 641216), (466, 533888), (688, 361616), (776, 320608), (932, 266944), (1376, 180808), (1552, 160304), (1864, 133472), (2752, 90404), (3104, 80152), (3728, 66736), (4171, 59648), (5504, 45202), (6208, 40076), (7456, 33368), (8342, 29824), (10019, 24832), (11008, 22601), (12416, 20038), (14912, 16684)]