30651313

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 11866127

約数列:

[1, 7, 11, 19, 41, 49, 73, 77, 133, 209, 287, 451, 511, 539, 779, 803, 931, 1387, 1463, 2009, 2993, 3157, 3577, 5453, 5621, 8569, 9709, 10241, 15257, 20951, 22099, 32923, 38171, 39347, 56867, 59983, 67963, 106799, 146657, 230461, 398069, 419881, 625537, 747593, 1613227, 2786483, 4378759, 30651313]

約数ペア:

[(1, 30651313), (7, 4378759), (11, 2786483), (19, 1613227), (41, 747593), (49, 625537), (73, 419881), (77, 398069), (133, 230461), (209, 146657), (287, 106799), (451, 67963), (511, 59983), (539, 56867), (779, 39347), (803, 38171), (931, 32923), (1387, 22099), (1463, 20951), (2009, 15257), (2993, 10241), (3157, 9709), (3577, 8569), (5453, 5621)]