81979642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 134064000

約数和(自身を除く): 52084358

約数列:

[1, 2, 19, 37, 38, 74, 199, 293, 398, 586, 703, 1406, 3781, 5567, 7363, 7562, 10841, 11134, 14726, 21682, 58307, 116614, 139897, 205979, 279794, 411958, 1107833, 2157359, 2215666, 4314718, 40989821, 81979642]

約数ペア:

[(1, 81979642), (2, 40989821), (19, 4314718), (37, 2215666), (38, 2157359), (74, 1107833), (199, 411958), (293, 279794), (398, 205979), (586, 139897), (703, 116614), (1406, 58307), (3781, 21682), (5567, 14726), (7363, 11134), (7562, 10841)]