1388891812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{35507}}^1$

素因数の和:35656

約数の個数: 48

約数和(自身を含む): 3054256128

約数和(自身を除く): 1665364316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 127, 154, 254, 308, 508, 889, 1397, 1778, 2794, 3556, 5588, 9779, 19558, 35507, 39116, 71014, 142028, 248549, 390577, 497098, 781154, 994196, 1562308, 2734039, 4509389, 5468078, 9018778, 10936156, 18037556, 31565723, 49603279, 63131446, 99206558, 126262892, 198413116, 347222953, 694445906, 1388891812]

約数ペア:

[(1, 1388891812), (2, 694445906), (4, 347222953), (7, 198413116), (11, 126262892), (14, 99206558), (22, 63131446), (28, 49603279), (44, 31565723), (77, 18037556), (127, 10936156), (154, 9018778), (254, 5468078), (308, 4509389), (508, 2734039), (889, 1562308), (1397, 994196), (1778, 781154), (2794, 497098), (3556, 390577), (5588, 248549), (9779, 142028), (19558, 71014), (35507, 39116)]