28907552

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 58776480

約数和(自身を除く): 29868928

約数列:

[1, 2, 4, 8, 16, 32, 67, 97, 134, 139, 194, 268, 278, 388, 536, 556, 776, 1072, 1112, 1552, 2144, 2224, 3104, 4448, 6499, 9313, 12998, 13483, 18626, 25996, 26966, 37252, 51992, 53932, 74504, 103984, 107864, 149008, 207968, 215728, 298016, 431456, 903361, 1806722, 3613444, 7226888, 14453776, 28907552]

約数ペア:

[(1, 28907552), (2, 14453776), (4, 7226888), (8, 3613444), (16, 1806722), (32, 903361), (67, 431456), (97, 298016), (134, 215728), (139, 207968), (194, 149008), (268, 107864), (278, 103984), (388, 74504), (536, 53932), (556, 51992), (776, 37252), (1072, 26966), (1112, 25996), (1552, 18626), (2144, 13483), (2224, 12998), (3104, 9313), (4448, 6499)]