1389542

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1316

約数の個数: 24

約数和(自身を含む): 2647080

約数和(自身を除く): 1257538

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 1289, 2578, 9023, 14179, 18046, 28358, 63161, 99253, 126322, 198506, 694771, 1389542]

約数ペア:

[(1, 1389542), (2, 694771), (7, 198506), (11, 126322), (14, 99253), (22, 63161), (49, 28358), (77, 18046), (98, 14179), (154, 9023), (539, 2578), (1078, 1289)]