388834208

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 935383680

約数和(自身を除く): 546549472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 73, 79, 86, 98, 112, 146, 158, 172, 196, 224, 292, 301, 316, 344, 392, 511, 553, 584, 602, 632, 688, 784, 1022, 1106, 1168, 1204, 1264, 1376, 1568, 2044, 2107, 2212, 2336, 2408, 2528, 3139, 3397, 3577, 3871, 4088, 4214, 4424, 4816, 5767, 6278, 6794, 7154, 7742, 8176, 8428, 8848, 9632, 11534, 12556, 13588, 14308, 15484, 16352, 16856, 17696, 21973, 23068, 23779, 25112, 27176, 28616, 30968, 33712, 40369, 43946, 46136, 47558, 50224, 54352, 57232, 61936, 67424, 80738, 87892, 92272, 95116, 100448, 108704, 114464, 123872, 153811, 161476, 166453, 175784, 184544, 190232, 247981, 282583, 307622, 322952, 332906, 351568, 380464, 495962, 565166, 615244, 645904, 665812, 703136, 760928, 991924, 1130332, 1230488, 1291808, 1331624, 1735867, 1983848, 2260664, 2460976, 2663248, 3471734, 3967696, 4521328, 4921952, 5326496, 6943468, 7935392, 9042656, 12151069, 13886936, 24302138, 27773872, 48604276, 55547744, 97208552, 194417104, 388834208]

約数ペア:

[(1, 388834208), (2, 194417104), (4, 97208552), (7, 55547744), (8, 48604276), (14, 27773872), (16, 24302138), (28, 13886936), (32, 12151069), (43, 9042656), (49, 7935392), (56, 6943468), (73, 5326496), (79, 4921952), (86, 4521328), (98, 3967696), (112, 3471734), (146, 2663248), (158, 2460976), (172, 2260664), (196, 1983848), (224, 1735867), (292, 1331624), (301, 1291808), (316, 1230488), (344, 1130332), (392, 991924), (511, 760928), (553, 703136), (584, 665812), (602, 645904), (632, 615244), (688, 565166), (784, 495962), (1022, 380464), (1106, 351568), (1168, 332906), (1204, 322952), (1264, 307622), (1376, 282583), (1568, 247981), (2044, 190232), (2107, 184544), (2212, 175784), (2336, 166453), (2408, 161476), (2528, 153811), (3139, 123872), (3397, 114464), (3577, 108704), (3871, 100448), (4088, 95116), (4214, 92272), (4424, 87892), (4816, 80738), (5767, 67424), (6278, 61936), (6794, 57232), (7154, 54352), (7742, 50224), (8176, 47558), (8428, 46136), (8848, 43946), (9632, 40369), (11534, 33712), (12556, 30968), (13588, 28616), (14308, 27176), (15484, 25112), (16352, 23779), (16856, 23068), (17696, 21973)]