258742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:651

約数の個数: 16

約数和(自身を含む): 446400

約数和(自身を除く): 187658

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 619, 1238, 6809, 11761, 13618, 23522, 129371, 258742]

約数ペア:

[(1, 258742), (2, 129371), (11, 23522), (19, 13618), (22, 11761), (38, 6809), (209, 1238), (418, 619)]