30780568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42281}}^1$

素因数の和:42307

約数の個数: 32

約数和(自身を含む): 71033760

約数和(自身を除く): 40253192

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 42281, 84562, 169124, 295967, 338248, 549653, 591934, 1099306, 1183868, 2198612, 2367736, 3847571, 4397224, 7695142, 15390284, 30780568]

約数ペア:

[(1, 30780568), (2, 15390284), (4, 7695142), (7, 4397224), (8, 3847571), (13, 2367736), (14, 2198612), (26, 1183868), (28, 1099306), (52, 591934), (56, 549653), (91, 338248), (104, 295967), (182, 169124), (364, 84562), (728, 42281)]