13128962

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 26347680

約数和(自身を除く): 13218718

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 641, 931, 1078, 1282, 1463, 1862, 2926, 4487, 7051, 8974, 10241, 12179, 14102, 20482, 24358, 31409, 49357, 62818, 85253, 98714, 133969, 170506, 267938, 345499, 596771, 690998, 937783, 1193542, 1875566, 6564481, 13128962]

約数ペア:

[(1, 13128962), (2, 6564481), (7, 1875566), (11, 1193542), (14, 937783), (19, 690998), (22, 596771), (38, 345499), (49, 267938), (77, 170506), (98, 133969), (133, 98714), (154, 85253), (209, 62818), (266, 49357), (418, 31409), (539, 24358), (641, 20482), (931, 14102), (1078, 12179), (1282, 10241), (1463, 8974), (1862, 7051), (2926, 4487)]