2118907315

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 3109404672

約数和(自身を除く): 990497357

約数列:

[1, 5, 7, 23, 35, 71, 115, 131, 161, 283, 355, 497, 655, 805, 917, 1415, 1633, 1981, 2485, 3013, 4585, 6509, 8165, 9301, 9905, 11431, 15065, 20093, 21091, 32545, 37073, 45563, 46505, 57155, 65107, 100465, 105455, 140651, 185365, 213923, 227815, 259511, 325535, 462139, 703255, 852679, 1069615, 1297555, 1497461, 2310695, 2632183, 3234973, 4263395, 5968753, 7487305, 13160915, 16174865, 18425281, 29843765, 60540209, 92126405, 302701045, 423781463, 2118907315]

約数ペア:

[(1, 2118907315), (5, 423781463), (7, 302701045), (23, 92126405), (35, 60540209), (71, 29843765), (115, 18425281), (131, 16174865), (161, 13160915), (283, 7487305), (355, 5968753), (497, 4263395), (655, 3234973), (805, 2632183), (917, 2310695), (1415, 1497461), (1633, 1297555), (1981, 1069615), (2485, 852679), (3013, 703255), (4585, 462139), (6509, 325535), (8165, 259511), (9301, 227815), (9905, 213923), (11431, 185365), (15065, 140651), (20093, 105455), (21091, 100465), (32545, 65107), (37073, 57155), (45563, 46505)]