77688910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 161118720

約数和(自身を除く): 83429810

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 71, 95, 130, 142, 190, 247, 355, 443, 494, 710, 886, 923, 1235, 1349, 1846, 2215, 2470, 2698, 4430, 4615, 5759, 6745, 8417, 9230, 11518, 13490, 16834, 17537, 28795, 31453, 35074, 42085, 57590, 62906, 84170, 87685, 109421, 157265, 175370, 218842, 314530, 408889, 547105, 597607, 817778, 1094210, 1195214, 2044445, 2988035, 4088890, 5976070, 7768891, 15537782, 38844455, 77688910]

約数ペア:

[(1, 77688910), (2, 38844455), (5, 15537782), (10, 7768891), (13, 5976070), (19, 4088890), (26, 2988035), (38, 2044445), (65, 1195214), (71, 1094210), (95, 817778), (130, 597607), (142, 547105), (190, 408889), (247, 314530), (355, 218842), (443, 175370), (494, 157265), (710, 109421), (886, 87685), (923, 84170), (1235, 62906), (1349, 57590), (1846, 42085), (2215, 35074), (2470, 31453), (2698, 28795), (4430, 17537), (4615, 16834), (5759, 13490), (6745, 11518), (8417, 9230)]