242138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 16

約数和(自身を含む): 399840

約数和(自身を除く): 157702

約数列:

[1, 2, 13, 26, 67, 134, 139, 278, 871, 1742, 1807, 3614, 9313, 18626, 121069, 242138]

約数ペア:

[(1, 242138), (2, 121069), (13, 18626), (26, 9313), (67, 3614), (134, 1807), (139, 1742), (278, 871)]