28157064

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90247}}^1$

素因数の和:90269

約数の個数: 32

約数和(自身を含む): 75808320

約数和(自身を除く): 47651256

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90247, 180494, 270741, 360988, 541482, 721976, 1082964, 1173211, 2165928, 2346422, 3519633, 4692844, 7039266, 9385688, 14078532, 28157064]

約数ペア:

[(1, 28157064), (2, 14078532), (3, 9385688), (4, 7039266), (6, 4692844), (8, 3519633), (12, 2346422), (13, 2165928), (24, 1173211), (26, 1082964), (39, 721976), (52, 541482), (78, 360988), (104, 270741), (156, 180494), (312, 90247)]