140566472

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{21991}}^1$

素因数の和:22061

約数の個数: 32

約数和(自身を含む): 285016320

約数和(自身を除く): 144449848

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3196, 6392, 21991, 43982, 87964, 175928, 373847, 747694, 1033577, 1495388, 2067154, 2990776, 4134308, 8268616, 17570809, 35141618, 70283236, 140566472]

約数ペア:

[(1, 140566472), (2, 70283236), (4, 35141618), (8, 17570809), (17, 8268616), (34, 4134308), (47, 2990776), (68, 2067154), (94, 1495388), (136, 1033577), (188, 747694), (376, 373847), (799, 175928), (1598, 87964), (3196, 43982), (6392, 21991)]