80870764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81853}}^1$

素因数の和:81889

約数の個数: 24

約数和(自身を含む): 160433840

約数和(自身を除く): 79563076

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 81853, 163706, 327412, 1064089, 1555207, 2128178, 3110414, 4256356, 6220828, 20217691, 40435382, 80870764]

約数ペア:

[(1, 80870764), (2, 40435382), (4, 20217691), (13, 6220828), (19, 4256356), (26, 3110414), (38, 2128178), (52, 1555207), (76, 1064089), (247, 327412), (494, 163706), (988, 81853)]