203422405

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1\times {\mathrm{1091}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 247665600

約数和(自身を除く): 44243195

約数列:

[1, 5, 89, 419, 445, 1091, 2095, 5455, 37291, 97099, 186455, 457129, 485495, 2285645, 40684481, 203422405]

約数ペア:

[(1, 203422405), (5, 40684481), (89, 2285645), (419, 485495), (445, 457129), (1091, 186455), (2095, 97099), (5455, 37291)]