289888936

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{4657}}^1$

素因数の和:4945

約数の個数: 32

約数和(自身を含む): 563431680

約数和(自身を除く): 273542744

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 251, 502, 1004, 2008, 4657, 7781, 9314, 15562, 18628, 31124, 37256, 62248, 144367, 288734, 577468, 1154936, 1168907, 2337814, 4675628, 9351256, 36236117, 72472234, 144944468, 289888936]

約数ペア:

[(1, 289888936), (2, 144944468), (4, 72472234), (8, 36236117), (31, 9351256), (62, 4675628), (124, 2337814), (248, 1168907), (251, 1154936), (502, 577468), (1004, 288734), (2008, 144367), (4657, 62248), (7781, 37256), (9314, 31124), (15562, 18628)]