203780018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{147881}}^1$

素因数の和:147949

約数の個数: 16

約数和(自身を含む): 335396376

約数和(自身を除く): 131616358

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 147881, 295762, 1922453, 3844906, 7837693, 15675386, 101890009, 203780018]

約数ペア:

[(1, 203780018), (2, 101890009), (13, 15675386), (26, 7837693), (53, 3844906), (106, 1922453), (689, 295762), (1378, 147881)]