1388971568

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{443}}^1\times {\mathrm{1543}}^1$

素因数の和:2121

約数の個数: 40

約数和(自身を含む): 2720206848

約数和(自身を除く): 1331235280

約数列:

[1, 2, 4, 8, 16, 127, 254, 443, 508, 886, 1016, 1543, 1772, 2032, 3086, 3544, 6172, 7088, 12344, 24688, 56261, 112522, 195961, 225044, 391922, 450088, 683549, 783844, 900176, 1367098, 1567688, 2734196, 3135376, 5468392, 10936784, 86810723, 173621446, 347242892, 694485784, 1388971568]

約数ペア:

[(1, 1388971568), (2, 694485784), (4, 347242892), (8, 173621446), (16, 86810723), (127, 10936784), (254, 5468392), (443, 3135376), (508, 2734196), (886, 1567688), (1016, 1367098), (1543, 900176), (1772, 783844), (2032, 683549), (3086, 450088), (3544, 391922), (6172, 225044), (7088, 195961), (12344, 112522), (24688, 56261)]