393398306

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{77839}}^1$

素因数の和:77886

約数の個数: 24

約数和(自身を含む): 711768960

約数和(自身を除く): 318370654

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 77839, 155678, 544873, 1089746, 1478941, 2957882, 10352587, 20705174, 28099879, 56199758, 196699153, 393398306]

約数ペア:

[(1, 393398306), (2, 196699153), (7, 56199758), (14, 28099879), (19, 20705174), (38, 10352587), (133, 2957882), (266, 1478941), (361, 1089746), (722, 544873), (2527, 155678), (5054, 77839)]