1998616644

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{647}}^1\times {\mathrm{1619}}^1$

素因数の和:2329

約数の個数: 72

約数和(自身を含む): 5158520640

約数和(自身を除く): 3159903996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 647, 954, 1294, 1619, 1908, 1941, 2588, 3238, 3882, 4857, 5823, 6476, 7764, 9714, 11646, 14571, 19428, 23292, 29142, 34291, 58284, 68582, 85807, 102873, 137164, 171614, 205746, 257421, 308619, 343228, 411492, 514842, 617238, 772263, 1029684, 1047493, 1234476, 1544526, 2094986, 3089052, 3142479, 4189972, 6284958, 9427437, 12569916, 18854874, 37709748, 55517129, 111034258, 166551387, 222068516, 333102774, 499654161, 666205548, 999308322, 1998616644]

約数ペア:

[(1, 1998616644), (2, 999308322), (3, 666205548), (4, 499654161), (6, 333102774), (9, 222068516), (12, 166551387), (18, 111034258), (36, 55517129), (53, 37709748), (106, 18854874), (159, 12569916), (212, 9427437), (318, 6284958), (477, 4189972), (636, 3142479), (647, 3089052), (954, 2094986), (1294, 1544526), (1619, 1234476), (1908, 1047493), (1941, 1029684), (2588, 772263), (3238, 617238), (3882, 514842), (4857, 411492), (5823, 343228), (6476, 308619), (7764, 257421), (9714, 205746), (11646, 171614), (14571, 137164), (19428, 102873), (23292, 85807), (29142, 68582), (34291, 58284)]