505316864

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 120

約数和(自身を含む): 1137739680

約数和(自身を除く): 632422816

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 79, 104, 124, 128, 158, 208, 248, 256, 316, 403, 416, 496, 512, 632, 806, 832, 961, 992, 1027, 1264, 1612, 1664, 1922, 1984, 2054, 2449, 2528, 3224, 3328, 3844, 3968, 4108, 4898, 5056, 6448, 6656, 7688, 7936, 8216, 9796, 10112, 12493, 12896, 15376, 15872, 16432, 19592, 20224, 24986, 25792, 30752, 31837, 32864, 39184, 40448, 49972, 51584, 61504, 63674, 65728, 75919, 78368, 99944, 103168, 123008, 127348, 131456, 151838, 156736, 199888, 206336, 246016, 254696, 262912, 303676, 313472, 399776, 492032, 509392, 525824, 607352, 626944, 799552, 986947, 1018784, 1214704, 1253888, 1599104, 1973894, 2037568, 2429408, 3198208, 3947788, 4075136, 4858816, 6396416, 7895576, 8150272, 9717632, 15791152, 16300544, 19435264, 31582304, 38870528, 63164608, 126329216, 252658432, 505316864]

約数ペア:

[(1, 505316864), (2, 252658432), (4, 126329216), (8, 63164608), (13, 38870528), (16, 31582304), (26, 19435264), (31, 16300544), (32, 15791152), (52, 9717632), (62, 8150272), (64, 7895576), (79, 6396416), (104, 4858816), (124, 4075136), (128, 3947788), (158, 3198208), (208, 2429408), (248, 2037568), (256, 1973894), (316, 1599104), (403, 1253888), (416, 1214704), (496, 1018784), (512, 986947), (632, 799552), (806, 626944), (832, 607352), (961, 525824), (992, 509392), (1027, 492032), (1264, 399776), (1612, 313472), (1664, 303676), (1922, 262912), (1984, 254696), (2054, 246016), (2449, 206336), (2528, 199888), (3224, 156736), (3328, 151838), (3844, 131456), (3968, 127348), (4108, 123008), (4898, 103168), (5056, 99944), (6448, 78368), (6656, 75919), (7688, 65728), (7936, 63674), (8216, 61504), (9796, 51584), (10112, 49972), (12493, 40448), (12896, 39184), (15376, 32864), (15872, 31837), (16432, 30752), (19592, 25792), (20224, 24986)]