2149779541

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 2774338560

約数和(自身を除く): 624559019

約数列:

[1, 7, 13, 29, 91, 169, 203, 223, 281, 377, 1183, 1561, 1967, 2639, 2899, 3653, 4901, 6467, 8149, 20293, 25571, 34307, 37687, 45269, 47489, 57043, 62663, 84071, 105937, 263809, 332423, 438641, 588497, 741559, 814619, 1092923, 1377181, 1817227, 5702333, 7650461, 9640267, 10590047, 12720589, 23623951, 74130329, 165367657, 307111363, 2149779541]

約数ペア:

[(1, 2149779541), (7, 307111363), (13, 165367657), (29, 74130329), (91, 23623951), (169, 12720589), (203, 10590047), (223, 9640267), (281, 7650461), (377, 5702333), (1183, 1817227), (1561, 1377181), (1967, 1092923), (2639, 814619), (2899, 741559), (3653, 588497), (4901, 438641), (6467, 332423), (8149, 263809), (20293, 105937), (25571, 84071), (34307, 62663), (37687, 57043), (45269, 47489)]