291223765

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1931}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 415457280

約数和(自身を除く): 124233515

約数列:

[1, 5, 7, 31, 35, 139, 155, 217, 695, 973, 1085, 1931, 4309, 4865, 9655, 13517, 21545, 30163, 59861, 67585, 150815, 268409, 299305, 419027, 1342045, 1878863, 2095135, 8320679, 9394315, 41603395, 58244753, 291223765]

約数ペア:

[(1, 291223765), (5, 58244753), (7, 41603395), (31, 9394315), (35, 8320679), (139, 2095135), (155, 1878863), (217, 1342045), (695, 419027), (973, 299305), (1085, 268409), (1931, 150815), (4309, 67585), (4865, 59861), (9655, 30163), (13517, 21545)]