81213912

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86767}}^1$

素因数の和:86792

約数の個数: 48

約数和(自身を含む): 236876640

約数和(自身を除く): 155662728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 86767, 173534, 260301, 347068, 520602, 694136, 780903, 1041204, 1127971, 1561806, 2082408, 2255942, 3123612, 3383913, 4511884, 6247224, 6767826, 9023768, 10151739, 13535652, 20303478, 27071304, 40606956, 81213912]

約数ペア:

[(1, 81213912), (2, 40606956), (3, 27071304), (4, 20303478), (6, 13535652), (8, 10151739), (9, 9023768), (12, 6767826), (13, 6247224), (18, 4511884), (24, 3383913), (26, 3123612), (36, 2255942), (39, 2082408), (52, 1561806), (72, 1127971), (78, 1041204), (104, 780903), (117, 694136), (156, 520602), (234, 347068), (312, 260301), (468, 173534), (936, 86767)]