77720335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 124084224

約数和(自身を除く): 46363889

約数列:

[1, 5, 7, 11, 23, 35, 55, 67, 77, 115, 131, 161, 253, 335, 385, 469, 655, 737, 805, 917, 1265, 1441, 1541, 1771, 2345, 3013, 3685, 4585, 5159, 7205, 7705, 8777, 8855, 10087, 10787, 15065, 16951, 21091, 25795, 33143, 43885, 50435, 53935, 61439, 84755, 96547, 105455, 118657, 165715, 201871, 232001, 307195, 482735, 593285, 675829, 1009355, 1160005, 1413097, 2220581, 3379145, 7065485, 11102905, 15544067, 77720335]

約数ペア:

[(1, 77720335), (5, 15544067), (7, 11102905), (11, 7065485), (23, 3379145), (35, 2220581), (55, 1413097), (67, 1160005), (77, 1009355), (115, 675829), (131, 593285), (161, 482735), (253, 307195), (335, 232001), (385, 201871), (469, 165715), (655, 118657), (737, 105455), (805, 96547), (917, 84755), (1265, 61439), (1441, 53935), (1541, 50435), (1771, 43885), (2345, 33143), (3013, 25795), (3685, 21091), (4585, 16951), (5159, 15065), (7205, 10787), (7705, 10087), (8777, 8855)]