305696209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 386394624

約数和(自身を除く): 80698415

約数列:

[1, 7, 13, 53, 91, 241, 263, 371, 689, 1687, 1841, 3133, 3419, 4823, 12773, 13939, 21931, 23933, 63383, 89411, 97573, 166049, 181207, 443681, 823979, 1162343, 1268449, 3359299, 5767853, 23515093, 43670887, 305696209]

約数ペア:

[(1, 305696209), (7, 43670887), (13, 23515093), (53, 5767853), (91, 3359299), (241, 1268449), (263, 1162343), (371, 823979), (689, 443681), (1687, 181207), (1841, 166049), (3133, 97573), (3419, 89411), (4823, 63383), (12773, 23933), (13939, 21931)]