1998051846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1\times {\mathrm{1297}}^1$

素因数の和:2205

約数の個数: 64

約数和(自身を含む): 4682270208

約数和(自身を除く): 2684218362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 853, 903, 1297, 1706, 1806, 2559, 2594, 3891, 5118, 5971, 7782, 9079, 11942, 17913, 18158, 27237, 35826, 36679, 54474, 55771, 73358, 110037, 111542, 167313, 220074, 256753, 334626, 390397, 513506, 770259, 780794, 1106341, 1171191, 1540518, 2212682, 2342382, 3319023, 6638046, 7744387, 15488774, 23233161, 46466322, 47572663, 95145326, 142717989, 285435978, 333008641, 666017282, 999025923, 1998051846]

約数ペア:

[(1, 1998051846), (2, 999025923), (3, 666017282), (6, 333008641), (7, 285435978), (14, 142717989), (21, 95145326), (42, 47572663), (43, 46466322), (86, 23233161), (129, 15488774), (258, 7744387), (301, 6638046), (602, 3319023), (853, 2342382), (903, 2212682), (1297, 1540518), (1706, 1171191), (1806, 1106341), (2559, 780794), (2594, 770259), (3891, 513506), (5118, 390397), (5971, 334626), (7782, 256753), (9079, 220074), (11942, 167313), (17913, 111542), (18158, 110037), (27237, 73358), (35826, 55771), (36679, 54474)]