7640178

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2031

約数の個数: 48

約数和(自身を含む): 19152000

約数和(自身を除く): 11511822

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 1999, 3822, 3998, 5997, 11994, 13993, 25987, 27986, 41979, 51974, 77961, 83958, 97951, 155922, 181909, 195902, 293853, 363818, 545727, 587706, 1091454, 1273363, 2546726, 3820089, 7640178]

約数ペア:

[(1, 7640178), (2, 3820089), (3, 2546726), (6, 1273363), (7, 1091454), (13, 587706), (14, 545727), (21, 363818), (26, 293853), (39, 195902), (42, 181909), (49, 155922), (78, 97951), (91, 83958), (98, 77961), (147, 51974), (182, 41979), (273, 27986), (294, 25987), (546, 13993), (637, 11994), (1274, 5997), (1911, 3998), (1999, 3822)]