1640898

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{1447}}^1$

素因数の和:1468

約数の個数: 40

約数和(自身を含む): 4204992

約数和(自身を除く): 2564094

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 1447, 2894, 4341, 8682, 10129, 13023, 20258, 26046, 30387, 39069, 60774, 78138, 91161, 117207, 182322, 234414, 273483, 546966, 820449, 1640898]

約数ペア:

[(1, 1640898), (2, 820449), (3, 546966), (6, 273483), (7, 234414), (9, 182322), (14, 117207), (18, 91161), (21, 78138), (27, 60774), (42, 39069), (54, 30387), (63, 26046), (81, 20258), (126, 13023), (162, 10129), (189, 8682), (378, 4341), (567, 2894), (1134, 1447)]