2666248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 5564160

約数和(自身を除く): 2897912

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 827, 1612, 1654, 3224, 3308, 6616, 10751, 21502, 25637, 43004, 51274, 86008, 102548, 205096, 333281, 666562, 1333124, 2666248]

約数ペア:

[(1, 2666248), (2, 1333124), (4, 666562), (8, 333281), (13, 205096), (26, 102548), (31, 86008), (52, 51274), (62, 43004), (104, 25637), (124, 21502), (248, 10751), (403, 6616), (806, 3308), (827, 3224), (1612, 1654)]