256951616

素因数分解:

$2^6\times {\mathrm{389}}^1\times {\mathrm{10321}}^1$

素因数の和:10722

約数の個数: 28

約数和(自身を含む): 511248660

約数和(自身を除く): 254297044

約数列:

[1, 2, 4, 8, 16, 32, 64, 389, 778, 1556, 3112, 6224, 10321, 12448, 20642, 24896, 41284, 82568, 165136, 330272, 660544, 4014869, 8029738, 16059476, 32118952, 64237904, 128475808, 256951616]

約数ペア:

[(1, 256951616), (2, 128475808), (4, 64237904), (8, 32118952), (16, 16059476), (32, 8029738), (64, 4014869), (389, 660544), (778, 330272), (1556, 165136), (3112, 82568), (6224, 41284), (10321, 24896), (12448, 20642)]