81205202

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1847}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 139708800

約数和(自身を除く): 58503598

約数列:

[1, 2, 13, 19, 26, 38, 89, 178, 247, 494, 1157, 1691, 1847, 2314, 3382, 3694, 21983, 24011, 35093, 43966, 48022, 70186, 164383, 328766, 456209, 912418, 2136979, 3123277, 4273958, 6246554, 40602601, 81205202]

約数ペア:

[(1, 81205202), (2, 40602601), (13, 6246554), (19, 4273958), (26, 3123277), (38, 2136979), (89, 912418), (178, 456209), (247, 328766), (494, 164383), (1157, 70186), (1691, 48022), (1847, 43966), (2314, 35093), (3382, 24011), (3694, 21983)]