389655812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{8429}}^1$

素因数の和:8580

約数の個数: 48

約数和(自身を含む): 845967360

約数和(自身を除く): 456311548

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 182, 254, 364, 508, 889, 1651, 1778, 3302, 3556, 6604, 8429, 11557, 16858, 23114, 33716, 46228, 59003, 109577, 118006, 219154, 236012, 438308, 767039, 1070483, 1534078, 2140966, 3068156, 4281932, 7493381, 13916279, 14986762, 27832558, 29973524, 55665116, 97413953, 194827906, 389655812]

約数ペア:

[(1, 389655812), (2, 194827906), (4, 97413953), (7, 55665116), (13, 29973524), (14, 27832558), (26, 14986762), (28, 13916279), (52, 7493381), (91, 4281932), (127, 3068156), (182, 2140966), (254, 1534078), (364, 1070483), (508, 767039), (889, 438308), (1651, 236012), (1778, 219154), (3302, 118006), (3556, 109577), (6604, 59003), (8429, 46228), (11557, 33716), (16858, 23114)]