28506088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4091}}^1$

素因数の和:4177

約数の個数: 32

約数和(自身を含む): 58433760

約数和(自身を除く): 29927672

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 4091, 6968, 8182, 16364, 32728, 53183, 106366, 212732, 274097, 425464, 548194, 1096388, 2192776, 3563261, 7126522, 14253044, 28506088]

約数ペア:

[(1, 28506088), (2, 14253044), (4, 7126522), (8, 3563261), (13, 2192776), (26, 1096388), (52, 548194), (67, 425464), (104, 274097), (134, 212732), (268, 106366), (536, 53183), (871, 32728), (1742, 16364), (3484, 8182), (4091, 6968)]