840081086

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 1444748400

約数和(自身を除く): 604667314

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 257, 338, 494, 509, 514, 1018, 3211, 3341, 4883, 6422, 6617, 6682, 9671, 9766, 13234, 19342, 43433, 63479, 86021, 86866, 125723, 126958, 130813, 172042, 251446, 261626, 825227, 1634399, 1650454, 1700569, 2485447, 3268798, 3401138, 4970894, 22107397, 32310811, 44214794, 64621622, 420040543, 840081086]

約数ペア:

[(1, 840081086), (2, 420040543), (13, 64621622), (19, 44214794), (26, 32310811), (38, 22107397), (169, 4970894), (247, 3401138), (257, 3268798), (338, 2485447), (494, 1700569), (509, 1650454), (514, 1634399), (1018, 825227), (3211, 261626), (3341, 251446), (4883, 172042), (6422, 130813), (6617, 126958), (6682, 125723), (9671, 86866), (9766, 86021), (13234, 63479), (19342, 43433)]