22780604

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 51072000

約数和(自身を除く): 28291396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 1999, 2849, 3998, 5698, 7996, 11396, 13993, 21989, 27986, 43978, 55972, 73963, 87956, 147926, 153923, 295852, 307846, 517741, 615692, 813593, 1035482, 1627186, 2070964, 3254372, 5695151, 11390302, 22780604]

約数ペア:

[(1, 22780604), (2, 11390302), (4, 5695151), (7, 3254372), (11, 2070964), (14, 1627186), (22, 1035482), (28, 813593), (37, 615692), (44, 517741), (74, 307846), (77, 295852), (148, 153923), (154, 147926), (259, 87956), (308, 73963), (407, 55972), (518, 43978), (814, 27986), (1036, 21989), (1628, 13993), (1999, 11396), (2849, 7996), (3998, 5698)]