2399418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 6027840

約数和(自身を除く): 3628422

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 137, 139, 274, 278, 411, 417, 822, 834, 959, 973, 1233, 1251, 1918, 1946, 2466, 2502, 2877, 2919, 5754, 5838, 8631, 8757, 17262, 17514, 19043, 38086, 57129, 114258, 133301, 171387, 266602, 342774, 399903, 799806, 1199709, 2399418]

約数ペア:

[(1, 2399418), (2, 1199709), (3, 799806), (6, 399903), (7, 342774), (9, 266602), (14, 171387), (18, 133301), (21, 114258), (42, 57129), (63, 38086), (126, 19043), (137, 17514), (139, 17262), (274, 8757), (278, 8631), (411, 5838), (417, 5754), (822, 2919), (834, 2877), (959, 2502), (973, 2466), (1233, 1946), (1251, 1918)]