197411968

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 452390400

約数和(自身を除く): 254978432

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 43, 52, 62, 64, 86, 89, 104, 124, 128, 172, 178, 208, 248, 344, 356, 403, 416, 496, 559, 688, 712, 806, 832, 992, 1118, 1157, 1333, 1376, 1424, 1612, 1664, 1984, 2236, 2314, 2666, 2752, 2759, 2848, 3224, 3827, 3968, 4472, 4628, 5332, 5504, 5518, 5696, 6448, 7654, 8944, 9256, 10664, 11036, 11392, 12896, 15308, 17329, 17888, 18512, 21328, 22072, 25792, 30616, 34658, 35776, 35867, 37024, 42656, 44144, 49751, 51584, 61232, 69316, 71552, 71734, 74048, 85312, 88288, 99502, 118637, 122464, 138632, 143468, 148096, 170624, 176576, 199004, 237274, 244928, 277264, 286936, 353152, 398008, 474548, 489856, 554528, 573872, 796016, 949096, 1109056, 1147744, 1542281, 1592032, 1898192, 2218112, 2295488, 3084562, 3184064, 3796384, 4590976, 6169124, 6368128, 7592768, 12338248, 15185536, 24676496, 49352992, 98705984, 197411968]

約数ペア:

[(1, 197411968), (2, 98705984), (4, 49352992), (8, 24676496), (13, 15185536), (16, 12338248), (26, 7592768), (31, 6368128), (32, 6169124), (43, 4590976), (52, 3796384), (62, 3184064), (64, 3084562), (86, 2295488), (89, 2218112), (104, 1898192), (124, 1592032), (128, 1542281), (172, 1147744), (178, 1109056), (208, 949096), (248, 796016), (344, 573872), (356, 554528), (403, 489856), (416, 474548), (496, 398008), (559, 353152), (688, 286936), (712, 277264), (806, 244928), (832, 237274), (992, 199004), (1118, 176576), (1157, 170624), (1333, 148096), (1376, 143468), (1424, 138632), (1612, 122464), (1664, 118637), (1984, 99502), (2236, 88288), (2314, 85312), (2666, 74048), (2752, 71734), (2759, 71552), (2848, 69316), (3224, 61232), (3827, 51584), (3968, 49751), (4472, 44144), (4628, 42656), (5332, 37024), (5504, 35867), (5518, 35776), (5696, 34658), (6448, 30616), (7654, 25792), (8944, 22072), (9256, 21328), (10664, 18512), (11036, 17888), (11392, 17329), (12896, 15308)]