388996842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1319}}^1$

素因数の和:1555

約数の個数: 64

約数和(自身を含む): 887040000

約数和(自身を除く): 498043158

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 199, 247, 398, 494, 597, 741, 1194, 1319, 1482, 2587, 2638, 3781, 3957, 5174, 7562, 7761, 7914, 11343, 15522, 17147, 22686, 25061, 34294, 49153, 50122, 51441, 75183, 98306, 102882, 147459, 150366, 262481, 294918, 325793, 524962, 651586, 787443, 977379, 1574886, 1954758, 3412253, 4987139, 6824506, 9974278, 10236759, 14961417, 20473518, 29922834, 64832807, 129665614, 194498421, 388996842]

約数ペア:

[(1, 388996842), (2, 194498421), (3, 129665614), (6, 64832807), (13, 29922834), (19, 20473518), (26, 14961417), (38, 10236759), (39, 9974278), (57, 6824506), (78, 4987139), (114, 3412253), (199, 1954758), (247, 1574886), (398, 977379), (494, 787443), (597, 651586), (741, 524962), (1194, 325793), (1319, 294918), (1482, 262481), (2587, 150366), (2638, 147459), (3781, 102882), (3957, 98306), (5174, 75183), (7562, 51441), (7761, 50122), (7914, 49153), (11343, 34294), (15522, 25061), (17147, 22686)]