640649016

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{1271129}}^1$

素因数の和:1271148

約数の個数: 48

約数和(自身を含む): 1982962800

約数和(自身を除く): 1342313784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 1271129, 2542258, 3813387, 5084516, 7626774, 8897903, 10169032, 11440161, 15253548, 17795806, 22880322, 26693709, 30507096, 35591612, 45760644, 53387418, 71183224, 80081127, 91521288, 106774836, 160162254, 213549672, 320324508, 640649016]

約数ペア:

[(1, 640649016), (2, 320324508), (3, 213549672), (4, 160162254), (6, 106774836), (7, 91521288), (8, 80081127), (9, 71183224), (12, 53387418), (14, 45760644), (18, 35591612), (21, 30507096), (24, 26693709), (28, 22880322), (36, 17795806), (42, 15253548), (56, 11440161), (63, 10169032), (72, 8897903), (84, 7626774), (126, 5084516), (168, 3813387), (252, 2542258), (504, 1271129)]