266644

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 544320

約数和(自身を除く): 277676

約数列:

[1, 2, 4, 7, 14, 28, 89, 107, 178, 214, 356, 428, 623, 749, 1246, 1498, 2492, 2996, 9523, 19046, 38092, 66661, 133322, 266644]

約数ペア:

[(1, 266644), (2, 133322), (4, 66661), (7, 38092), (14, 19046), (28, 9523), (89, 2996), (107, 2492), (178, 1498), (214, 1246), (356, 749), (428, 623)]