245644

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 508928

約数和(自身を除く): 263284

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 283, 434, 566, 868, 1132, 1981, 3962, 7924, 8773, 17546, 35092, 61411, 122822, 245644]

約数ペア:

[(1, 245644), (2, 122822), (4, 61411), (7, 35092), (14, 17546), (28, 8773), (31, 7924), (62, 3962), (124, 1981), (217, 1132), (283, 868), (434, 566)]