71684312

素因数分解:

$2^3\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1997}}^1$

素因数の和:2651

約数の個数: 32

約数和(自身を含む): 153925920

約数和(自身を除く): 82241608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 641, 1282, 1997, 2564, 3994, 4487, 5128, 7988, 8974, 13979, 15976, 17948, 27958, 35896, 55916, 111832, 1280077, 2560154, 5120308, 8960539, 10240616, 17921078, 35842156, 71684312]

約数ペア:

[(1, 71684312), (2, 35842156), (4, 17921078), (7, 10240616), (8, 8960539), (14, 5120308), (28, 2560154), (56, 1280077), (641, 111832), (1282, 55916), (1997, 35896), (2564, 27958), (3994, 17948), (4487, 15976), (5128, 13979), (7988, 8974)]