51395968

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 112155120

約数和(自身を除く): 60759152

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 268, 416, 461, 536, 832, 871, 922, 1072, 1664, 1742, 1844, 2144, 3484, 3688, 4288, 5993, 6968, 7376, 8576, 11986, 13936, 14752, 23972, 27872, 29504, 30887, 47944, 55744, 59008, 61774, 95888, 111488, 123548, 191776, 247096, 383552, 401531, 494192, 767104, 803062, 988384, 1606124, 1976768, 3212248, 3953536, 6424496, 12848992, 25697984, 51395968]

約数ペア:

[(1, 51395968), (2, 25697984), (4, 12848992), (8, 6424496), (13, 3953536), (16, 3212248), (26, 1976768), (32, 1606124), (52, 988384), (64, 803062), (67, 767104), (104, 494192), (128, 401531), (134, 383552), (208, 247096), (268, 191776), (416, 123548), (461, 111488), (536, 95888), (832, 61774), (871, 59008), (922, 55744), (1072, 47944), (1664, 30887), (1742, 29504), (1844, 27872), (2144, 23972), (3484, 14752), (3688, 13936), (4288, 11986), (5993, 8576), (6968, 7376)]