131137448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{3613}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 265629000

約数和(自身を除く): 134491552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 349, 698, 1396, 2792, 3613, 4537, 7226, 9074, 14452, 18148, 28904, 36296, 46969, 93938, 187876, 375752, 1260937, 2521874, 5043748, 10087496, 16392181, 32784362, 65568724, 131137448]

約数ペア:

[(1, 131137448), (2, 65568724), (4, 32784362), (8, 16392181), (13, 10087496), (26, 5043748), (52, 2521874), (104, 1260937), (349, 375752), (698, 187876), (1396, 93938), (2792, 46969), (3613, 36296), (4537, 28904), (7226, 18148), (9074, 14452)]