2912478788

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 5316554880

約数和(自身を除く): 2404076092

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 389, 643, 778, 1286, 1556, 2572, 2911, 5822, 11644, 15949, 26363, 27619, 31898, 45653, 52726, 55238, 63796, 91306, 105452, 110476, 182612, 250127, 500254, 1000508, 1132379, 1871773, 2264758, 3743546, 4529516, 7487092, 10255207, 17759017, 20510414, 35518034, 41020828, 71036068, 728119697, 1456239394, 2912478788]

約数ペア:

[(1, 2912478788), (2, 1456239394), (4, 728119697), (41, 71036068), (71, 41020828), (82, 35518034), (142, 20510414), (164, 17759017), (284, 10255207), (389, 7487092), (643, 4529516), (778, 3743546), (1286, 2264758), (1556, 1871773), (2572, 1132379), (2911, 1000508), (5822, 500254), (11644, 250127), (15949, 182612), (26363, 110476), (27619, 105452), (31898, 91306), (45653, 63796), (52726, 55238)]