28814968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39581}}^1$

素因数の和:39607

約数の個数: 32

約数和(自身を含む): 66497760

約数和(自身を除く): 37682792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 39581, 79162, 158324, 277067, 316648, 514553, 554134, 1029106, 1108268, 2058212, 2216536, 3601871, 4116424, 7203742, 14407484, 28814968]

約数ペア:

[(1, 28814968), (2, 14407484), (4, 7203742), (7, 4116424), (8, 3601871), (13, 2216536), (14, 2058212), (26, 1108268), (28, 1029106), (52, 554134), (56, 514553), (91, 316648), (104, 277067), (182, 158324), (364, 79162), (728, 39581)]