156988325

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 36

約数和(自身を含む): 214099020

約数和(自身を除く): 57110695

約数列:

[1, 5, 13, 25, 65, 73, 169, 325, 365, 509, 845, 949, 1825, 2545, 4225, 4745, 6617, 12337, 12725, 23725, 33085, 37157, 61685, 86021, 165425, 185785, 308425, 430105, 483041, 928925, 2150525, 2415205, 6279533, 12076025, 31397665, 156988325]

約数ペア:

[(1, 156988325), (5, 31397665), (13, 12076025), (25, 6279533), (65, 2415205), (73, 2150525), (169, 928925), (325, 483041), (365, 430105), (509, 308425), (845, 185785), (949, 165425), (1825, 86021), (2545, 61685), (4225, 37157), (4745, 33085), (6617, 23725), (12337, 12725)]