64872004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 124185600

約数和(自身を除く): 59313596

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 109, 164, 191, 218, 382, 436, 764, 779, 1558, 2071, 3116, 3629, 4142, 4469, 7258, 7831, 8284, 8938, 14516, 15662, 17876, 20819, 31324, 41638, 83276, 84911, 148789, 169822, 297578, 339644, 395561, 595156, 791122, 853579, 1582244, 1707158, 3414316, 16218001, 32436002, 64872004]

約数ペア:

[(1, 64872004), (2, 32436002), (4, 16218001), (19, 3414316), (38, 1707158), (41, 1582244), (76, 853579), (82, 791122), (109, 595156), (164, 395561), (191, 339644), (218, 297578), (382, 169822), (436, 148789), (764, 84911), (779, 83276), (1558, 41638), (2071, 31324), (3116, 20819), (3629, 17876), (4142, 15662), (4469, 14516), (7258, 8938), (7831, 8284)]