215589556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4261}}^1$

素因数の和:4424

約数の個数: 48

約数和(自身を含む): 467797120

約数和(自身を除く): 252207564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 556, 973, 1807, 1946, 3614, 3892, 4261, 7228, 8522, 12649, 17044, 25298, 29827, 50596, 55393, 59654, 110786, 119308, 221572, 387751, 592279, 775502, 1184558, 1551004, 2369116, 4145953, 7699627, 8291906, 15399254, 16583812, 30798508, 53897389, 107794778, 215589556]

約数ペア:

[(1, 215589556), (2, 107794778), (4, 53897389), (7, 30798508), (13, 16583812), (14, 15399254), (26, 8291906), (28, 7699627), (52, 4145953), (91, 2369116), (139, 1551004), (182, 1184558), (278, 775502), (364, 592279), (556, 387751), (973, 221572), (1807, 119308), (1946, 110786), (3614, 59654), (3892, 55393), (4261, 50596), (7228, 29827), (8522, 25298), (12649, 17044)]