87741985

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2\times {\mathrm{89}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 110869560

約数和(自身を除く): 23127575

約数列:

[1, 5, 37, 73, 89, 185, 365, 445, 2701, 3293, 5329, 6497, 13505, 16465, 26645, 32485, 197173, 240389, 474281, 985865, 1201945, 2371405, 17548397, 87741985]

約数ペア:

[(1, 87741985), (5, 17548397), (37, 2371405), (73, 1201945), (89, 985865), (185, 474281), (365, 240389), (445, 197173), (2701, 32485), (3293, 26645), (5329, 16465), (6497, 13505)]