209490204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20611}}^1$

素因数の和:20647

約数の個数: 72

約数和(自身を含む): 614072704

約数和(自身を除く): 404582500

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 3388, 5082, 10164, 20611, 41222, 61833, 82444, 123666, 144277, 226721, 247332, 288554, 432831, 453442, 577108, 680163, 865662, 906884, 1360326, 1587047, 1731324, 2493931, 2720652, 3174094, 4761141, 4987862, 6348188, 7481793, 9522282, 9975724, 14963586, 17457517, 19044564, 29927172, 34915034, 52372551, 69830068, 104745102, 209490204]

約数ペア:

[(1, 209490204), (2, 104745102), (3, 69830068), (4, 52372551), (6, 34915034), (7, 29927172), (11, 19044564), (12, 17457517), (14, 14963586), (21, 9975724), (22, 9522282), (28, 7481793), (33, 6348188), (42, 4987862), (44, 4761141), (66, 3174094), (77, 2720652), (84, 2493931), (121, 1731324), (132, 1587047), (154, 1360326), (231, 906884), (242, 865662), (308, 680163), (363, 577108), (462, 453442), (484, 432831), (726, 288554), (847, 247332), (924, 226721), (1452, 144277), (1694, 123666), (2541, 82444), (3388, 61833), (5082, 41222), (10164, 20611)]