64985986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 110392128

約数和(自身を除く): 45406142

約数列:

[1, 2, 13, 26, 37, 43, 74, 86, 481, 559, 962, 1118, 1571, 1591, 3142, 3182, 20423, 20683, 40846, 41366, 58127, 67553, 116254, 135106, 755651, 878189, 1511302, 1756378, 2499461, 4998922, 32492993, 64985986]

約数ペア:

[(1, 64985986), (2, 32492993), (13, 4998922), (26, 2499461), (37, 1756378), (43, 1511302), (74, 878189), (86, 755651), (481, 135106), (559, 116254), (962, 67553), (1118, 58127), (1571, 41366), (1591, 40846), (3142, 20683), (3182, 20423)]