78878982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1979}}^1$

素因数の和:2077

約数の個数: 64

約数和(自身を含む): 196922880

約数和(自身を除く): 118043898

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 91, 146, 182, 219, 273, 438, 511, 546, 949, 1022, 1533, 1898, 1979, 2847, 3066, 3958, 5694, 5937, 6643, 11874, 13286, 13853, 19929, 25727, 27706, 39858, 41559, 51454, 77181, 83118, 144467, 154362, 180089, 288934, 360178, 433401, 540267, 866802, 1011269, 1080534, 1878071, 2022538, 3033807, 3756142, 5634213, 6067614, 11268426, 13146497, 26292994, 39439491, 78878982]

約数ペア:

[(1, 78878982), (2, 39439491), (3, 26292994), (6, 13146497), (7, 11268426), (13, 6067614), (14, 5634213), (21, 3756142), (26, 3033807), (39, 2022538), (42, 1878071), (73, 1080534), (78, 1011269), (91, 866802), (146, 540267), (182, 433401), (219, 360178), (273, 288934), (438, 180089), (511, 154362), (546, 144467), (949, 83118), (1022, 77181), (1533, 51454), (1898, 41559), (1979, 39858), (2847, 27706), (3066, 25727), (3958, 19929), (5694, 13853), (5937, 13286), (6643, 11874)]