72120386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 47630014

約数列:

[1, 2, 13, 26, 53, 106, 199, 263, 398, 526, 689, 1378, 2587, 3419, 5174, 6838, 10547, 13939, 21094, 27878, 52337, 104674, 137111, 181207, 274222, 362414, 680381, 1360762, 2773861, 5547722, 36060193, 72120386]

約数ペア:

[(1, 72120386), (2, 36060193), (13, 5547722), (26, 2773861), (53, 1360762), (106, 680381), (199, 362414), (263, 274222), (398, 181207), (526, 137111), (689, 104674), (1378, 52337), (2587, 27878), (3419, 21094), (5174, 13939), (6838, 10547)]