418965248

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 108

約数和(自身を含む): 937717704

約数和(自身を除く): 518752456

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 131, 208, 248, 256, 262, 403, 416, 496, 524, 806, 832, 961, 992, 1048, 1612, 1664, 1703, 1922, 1984, 2096, 3224, 3328, 3406, 3844, 3968, 4061, 4192, 6448, 6812, 7688, 7936, 8122, 8384, 12493, 12896, 13624, 15376, 16244, 16768, 24986, 25792, 27248, 30752, 32488, 33536, 49972, 51584, 52793, 54496, 61504, 64976, 99944, 103168, 105586, 108992, 123008, 125891, 129952, 199888, 211172, 217984, 246016, 251782, 259904, 399776, 422344, 435968, 503564, 519808, 799552, 844688, 1007128, 1039616, 1599104, 1636583, 1689376, 2014256, 3198208, 3273166, 3378752, 4028512, 6546332, 6757504, 8057024, 13092664, 13515008, 16114048, 26185328, 32228096, 52370656, 104741312, 209482624, 418965248]

約数ペア:

[(1, 418965248), (2, 209482624), (4, 104741312), (8, 52370656), (13, 32228096), (16, 26185328), (26, 16114048), (31, 13515008), (32, 13092664), (52, 8057024), (62, 6757504), (64, 6546332), (104, 4028512), (124, 3378752), (128, 3273166), (131, 3198208), (208, 2014256), (248, 1689376), (256, 1636583), (262, 1599104), (403, 1039616), (416, 1007128), (496, 844688), (524, 799552), (806, 519808), (832, 503564), (961, 435968), (992, 422344), (1048, 399776), (1612, 259904), (1664, 251782), (1703, 246016), (1922, 217984), (1984, 211172), (2096, 199888), (3224, 129952), (3328, 125891), (3406, 123008), (3844, 108992), (3968, 105586), (4061, 103168), (4192, 99944), (6448, 64976), (6812, 61504), (7688, 54496), (7936, 52793), (8122, 51584), (8384, 49972), (12493, 33536), (12896, 32488), (13624, 30752), (15376, 27248), (16244, 25792), (16768, 24986)]