1298421278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443753}}^1$

素因数の和:443792

約数の個数: 32

約数和(自身を含む): 2556023040

約数和(自身を除く): 1257601762

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 443753, 887506, 3106271, 4881283, 6212542, 8431307, 9762566, 16862614, 34168981, 59019149, 68337962, 92744377, 118038298, 185488754, 649210639, 1298421278]

約数ペア:

[(1, 1298421278), (2, 649210639), (7, 185488754), (11, 118038298), (14, 92744377), (19, 68337962), (22, 59019149), (38, 34168981), (77, 16862614), (133, 9762566), (154, 8431307), (209, 6212542), (266, 4881283), (418, 3106271), (1463, 887506), (2926, 443753)]