28815808

素因数分解:

$2^6\times 7^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:641

約数の個数: 56

約数和(自身を含む): 65983104

約数和(自身を除く): 37167296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 131, 224, 262, 448, 491, 524, 917, 982, 1048, 1834, 1964, 2096, 3437, 3668, 3928, 4192, 6874, 7336, 7856, 8384, 13748, 14672, 15712, 27496, 29344, 31424, 54992, 58688, 64321, 109984, 128642, 219968, 257284, 450247, 514568, 900494, 1029136, 1800988, 2058272, 3601976, 4116544, 7203952, 14407904, 28815808]

約数ペア:

[(1, 28815808), (2, 14407904), (4, 7203952), (7, 4116544), (8, 3601976), (14, 2058272), (16, 1800988), (28, 1029136), (32, 900494), (56, 514568), (64, 450247), (112, 257284), (131, 219968), (224, 128642), (262, 109984), (448, 64321), (491, 58688), (524, 54992), (917, 31424), (982, 29344), (1048, 27496), (1834, 15712), (1964, 14672), (2096, 13748), (3437, 8384), (3668, 7856), (3928, 7336), (4192, 6874)]