64187968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:635

約数の個数: 56

約数和(自身を含む): 138257280

約数和(自身を除く): 74069312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 179, 208, 358, 416, 431, 716, 832, 862, 1432, 1724, 2327, 2864, 3448, 4654, 5603, 5728, 6896, 9308, 11206, 11456, 13792, 18616, 22412, 27584, 37232, 44824, 74464, 77149, 89648, 148928, 154298, 179296, 308596, 358592, 617192, 1002937, 1234384, 2005874, 2468768, 4011748, 4937536, 8023496, 16046992, 32093984, 64187968]

約数ペア:

[(1, 64187968), (2, 32093984), (4, 16046992), (8, 8023496), (13, 4937536), (16, 4011748), (26, 2468768), (32, 2005874), (52, 1234384), (64, 1002937), (104, 617192), (179, 358592), (208, 308596), (358, 179296), (416, 154298), (431, 148928), (716, 89648), (832, 77149), (862, 74464), (1432, 44824), (1724, 37232), (2327, 27584), (2864, 22412), (3448, 18616), (4654, 13792), (5603, 11456), (5728, 11206), (6896, 9308)]