78878954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1993}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 148162176

約数和(自身を除く): 69283222

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 257, 514, 1799, 1993, 2827, 3598, 3986, 5654, 13951, 19789, 21923, 27902, 39578, 43846, 153461, 306922, 512201, 1024402, 3585407, 5634211, 7170814, 11268422, 39439477, 78878954]

約数ペア:

[(1, 78878954), (2, 39439477), (7, 11268422), (11, 7170814), (14, 5634211), (22, 3585407), (77, 1024402), (154, 512201), (257, 306922), (514, 153461), (1799, 43846), (1993, 39578), (2827, 27902), (3598, 21923), (3986, 19789), (5654, 13951)]