255912968

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 517233600

約数和(自身を除く): 261320632

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 289, 568, 578, 1156, 1207, 1559, 2312, 2414, 3118, 4828, 6236, 9656, 12472, 20519, 26503, 41038, 53006, 82076, 106012, 110689, 164152, 212024, 221378, 442756, 450551, 885512, 901102, 1802204, 1881713, 3604408, 3763426, 7526852, 15053704, 31989121, 63978242, 127956484, 255912968]

約数ペア:

[(1, 255912968), (2, 127956484), (4, 63978242), (8, 31989121), (17, 15053704), (34, 7526852), (68, 3763426), (71, 3604408), (136, 1881713), (142, 1802204), (284, 901102), (289, 885512), (568, 450551), (578, 442756), (1156, 221378), (1207, 212024), (1559, 164152), (2312, 110689), (2414, 106012), (3118, 82076), (4828, 53006), (6236, 41038), (9656, 26503), (12472, 20519)]