209921688

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{9497}}^1$

素因数の和:9816

約数の個数: 48

約数和(自身を含む): 570449880

約数和(自身を除く): 360528192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 921, 1228, 1842, 2456, 2763, 3684, 5526, 7368, 9497, 11052, 18994, 22104, 28491, 37988, 56982, 75976, 85473, 113964, 170946, 227928, 341892, 683784, 2915579, 5831158, 8746737, 11662316, 17493474, 23324632, 26240211, 34986948, 52480422, 69973896, 104960844, 209921688]

約数ペア:

[(1, 209921688), (2, 104960844), (3, 69973896), (4, 52480422), (6, 34986948), (8, 26240211), (9, 23324632), (12, 17493474), (18, 11662316), (24, 8746737), (36, 5831158), (72, 2915579), (307, 683784), (614, 341892), (921, 227928), (1228, 170946), (1842, 113964), (2456, 85473), (2763, 75976), (3684, 56982), (5526, 37988), (7368, 28491), (9497, 22104), (11052, 18994)]