80821078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 134719200

約数和(自身を除く): 53898122

約数列:

[1, 2, 13, 26, 53, 89, 106, 178, 659, 689, 1157, 1318, 1378, 2314, 4717, 8567, 9434, 17134, 34927, 58651, 61321, 69854, 117302, 122642, 454051, 762463, 908102, 1524926, 3108503, 6217006, 40410539, 80821078]

約数ペア:

[(1, 80821078), (2, 40410539), (13, 6217006), (26, 3108503), (53, 1524926), (89, 908102), (106, 762463), (178, 454051), (659, 122642), (689, 117302), (1157, 69854), (1318, 61321), (1378, 58651), (2314, 34927), (4717, 17134), (8567, 9434)]