256902208

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{4177}}^1$

素因数の和:4251

約数の個数: 42

約数和(自身を含む): 526891758

約数和(自身を除く): 269989550

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 961, 992, 1922, 1984, 3844, 4177, 7688, 8354, 15376, 16708, 30752, 33416, 61504, 66832, 129487, 133664, 258974, 267328, 517948, 1035896, 2071792, 4014097, 4143584, 8028194, 8287168, 16056388, 32112776, 64225552, 128451104, 256902208]

約数ペア:

[(1, 256902208), (2, 128451104), (4, 64225552), (8, 32112776), (16, 16056388), (31, 8287168), (32, 8028194), (62, 4143584), (64, 4014097), (124, 2071792), (248, 1035896), (496, 517948), (961, 267328), (992, 258974), (1922, 133664), (1984, 129487), (3844, 66832), (4177, 61504), (7688, 33416), (8354, 30752), (15376, 16708)]