78848128

素因数分解:

$2^7\times {\mathrm{31}}^2\times {\mathrm{641}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 162564030

約数和(自身を除く): 83715902

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 641, 961, 992, 1282, 1922, 1984, 2564, 3844, 3968, 5128, 7688, 10256, 15376, 19871, 20512, 30752, 39742, 41024, 61504, 79484, 82048, 123008, 158968, 317936, 616001, 635872, 1232002, 1271744, 2464004, 2543488, 4928008, 9856016, 19712032, 39424064, 78848128]

約数ペア:

[(1, 78848128), (2, 39424064), (4, 19712032), (8, 9856016), (16, 4928008), (31, 2543488), (32, 2464004), (62, 1271744), (64, 1232002), (124, 635872), (128, 616001), (248, 317936), (496, 158968), (641, 123008), (961, 82048), (992, 79484), (1282, 61504), (1922, 41024), (1984, 39742), (2564, 30752), (3844, 20512), (3968, 19871), (5128, 15376), (7688, 10256)]