989714332

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{3229}}^1$

素因数の和:3398

約数の個数: 48

約数和(自身を含む): 1890196000

約数和(自身を除く): 900481668

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 109, 148, 218, 436, 703, 1406, 2071, 2812, 3229, 4033, 4142, 6458, 8066, 8284, 12916, 16132, 61351, 76627, 119473, 122702, 153254, 238946, 245404, 306508, 351961, 477892, 703922, 1407844, 2269987, 4539974, 6687259, 9079948, 13022557, 13374518, 26045114, 26749036, 52090228, 247428583, 494857166, 989714332]

約数ペア:

[(1, 989714332), (2, 494857166), (4, 247428583), (19, 52090228), (37, 26749036), (38, 26045114), (74, 13374518), (76, 13022557), (109, 9079948), (148, 6687259), (218, 4539974), (436, 2269987), (703, 1407844), (1406, 703922), (2071, 477892), (2812, 351961), (3229, 306508), (4033, 245404), (4142, 238946), (6458, 153254), (8066, 122702), (8284, 119473), (12916, 76627), (16132, 61351)]