40678874

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{1321}}^1$

素因数の和:1585

約数の個数: 16

約数和(自身を含む): 62107560

約数和(自身を除く): 21428686

約数列:

[1, 2, 89, 173, 178, 346, 1321, 2642, 15397, 30794, 117569, 228533, 235138, 457066, 20339437, 40678874]

約数ペア:

[(1, 40678874), (2, 20339437), (89, 457066), (173, 235138), (178, 228533), (346, 117569), (1321, 30794), (2642, 15397)]