2178735818

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 3911846400

約数和(自身を除く): 1733110582

約数列:

[1, 2, 7, 14, 41, 82, 97, 109, 194, 218, 287, 359, 574, 679, 718, 763, 1358, 1526, 2513, 3977, 4469, 5026, 7954, 8938, 10573, 14719, 21146, 27839, 29438, 31283, 34823, 39131, 55678, 62566, 69646, 74011, 78262, 103033, 148022, 206066, 243761, 273917, 433493, 487522, 547834, 866986, 1427743, 1604371, 2855486, 3034451, 3208742, 3795707, 6068902, 7591414, 9994201, 11230597, 19988402, 22461194, 26569949, 53139898, 155623987, 311247974, 1089367909, 2178735818]

約数ペア:

[(1, 2178735818), (2, 1089367909), (7, 311247974), (14, 155623987), (41, 53139898), (82, 26569949), (97, 22461194), (109, 19988402), (194, 11230597), (218, 9994201), (287, 7591414), (359, 6068902), (574, 3795707), (679, 3208742), (718, 3034451), (763, 2855486), (1358, 1604371), (1526, 1427743), (2513, 866986), (3977, 547834), (4469, 487522), (5026, 433493), (7954, 273917), (8938, 243761), (10573, 206066), (14719, 148022), (21146, 103033), (27839, 78262), (29438, 74011), (31283, 69646), (34823, 62566), (39131, 55678)]