257700456

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{275321}}^1$

素因数の和:275346

約数の個数: 48

約数和(自身を含む): 751629060

約数和(自身を除く): 493928604

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, 275321, 550642, 825963, 1101284, 1651926, 2202568, 2477889, 3303852, 3579173, 4955778, 6607704, 7158346, 9911556, 10737519, 14316692, 19823112, 21475038, 28633384, 32212557, 42950076, 64425114, 85900152, 128850228, 257700456]

約数ペア:

[(1, 257700456), (2, 128850228), (3, 85900152), (4, 64425114), (6, 42950076), (8, 32212557), (9, 28633384), (12, 21475038), (13, 19823112), (18, 14316692), (24, 10737519), (26, 9911556), (36, 7158346), (39, 6607704), (52, 4955778), (72, 3579173), (78, 3303852), (104, 2477889), (117, 2202568), (156, 1651926), (234, 1101284), (312, 825963), (468, 550642), (936, 275321)]