391769216

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 872467200

約数和(自身を除く): 480697984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 53, 64, 68, 79, 86, 106, 128, 136, 158, 172, 212, 272, 316, 344, 424, 544, 632, 688, 731, 848, 901, 1088, 1264, 1343, 1376, 1462, 1696, 1802, 2176, 2279, 2528, 2686, 2752, 2924, 3392, 3397, 3604, 4187, 4558, 5056, 5372, 5504, 5848, 6784, 6794, 7208, 8374, 9116, 10112, 10744, 11696, 13588, 14416, 16748, 18232, 21488, 23392, 27176, 28832, 33496, 36464, 38743, 42976, 46784, 54352, 57664, 57749, 66992, 71179, 72928, 77486, 85952, 93568, 108704, 115328, 115498, 133984, 142358, 145856, 154972, 171904, 180041, 217408, 230996, 267968, 284716, 291712, 309944, 360082, 434816, 461992, 535936, 569432, 619888, 720164, 923984, 1138864, 1239776, 1440328, 1847968, 2277728, 2479552, 2880656, 3060697, 3695936, 4555456, 4959104, 5761312, 6121394, 7391872, 9110912, 11522624, 12242788, 23045248, 24485576, 48971152, 97942304, 195884608, 391769216]

約数ペア:

[(1, 391769216), (2, 195884608), (4, 97942304), (8, 48971152), (16, 24485576), (17, 23045248), (32, 12242788), (34, 11522624), (43, 9110912), (53, 7391872), (64, 6121394), (68, 5761312), (79, 4959104), (86, 4555456), (106, 3695936), (128, 3060697), (136, 2880656), (158, 2479552), (172, 2277728), (212, 1847968), (272, 1440328), (316, 1239776), (344, 1138864), (424, 923984), (544, 720164), (632, 619888), (688, 569432), (731, 535936), (848, 461992), (901, 434816), (1088, 360082), (1264, 309944), (1343, 291712), (1376, 284716), (1462, 267968), (1696, 230996), (1802, 217408), (2176, 180041), (2279, 171904), (2528, 154972), (2686, 145856), (2752, 142358), (2924, 133984), (3392, 115498), (3397, 115328), (3604, 108704), (4187, 93568), (4558, 85952), (5056, 77486), (5372, 72928), (5504, 71179), (5848, 66992), (6784, 57749), (6794, 57664), (7208, 54352), (8374, 46784), (9116, 42976), (10112, 38743), (10744, 36464), (11696, 33496), (13588, 28832), (14416, 27176), (16748, 23392), (18232, 21488)]