643177984

素因数分解:

$2^9\times {\mathrm{191}}^1\times {\mathrm{6577}}^1$

素因数の和:6786

約数の個数: 40

約数和(自身を含む): 1292024448

約数和(自身を除く): 648846464

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 256, 382, 512, 764, 1528, 3056, 6112, 6577, 12224, 13154, 24448, 26308, 48896, 52616, 97792, 105232, 210464, 420928, 841856, 1256207, 1683712, 2512414, 3367424, 5024828, 10049656, 20099312, 40198624, 80397248, 160794496, 321588992, 643177984]

約数ペア:

[(1, 643177984), (2, 321588992), (4, 160794496), (8, 80397248), (16, 40198624), (32, 20099312), (64, 10049656), (128, 5024828), (191, 3367424), (256, 2512414), (382, 1683712), (512, 1256207), (764, 841856), (1528, 420928), (3056, 210464), (6112, 105232), (6577, 97792), (12224, 52616), (13154, 48896), (24448, 26308)]