378490412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{8941}}^1$

素因数の和:9521

約数の個数: 24

約数和(自身を含む): 698549040

約数和(自身を除く): 320058628

約数列:

[1, 2, 4, 19, 38, 76, 557, 1114, 2228, 8941, 10583, 17882, 21166, 35764, 42332, 169879, 339758, 679516, 4980137, 9960274, 19920548, 94622603, 189245206, 378490412]

約数ペア:

[(1, 378490412), (2, 189245206), (4, 94622603), (19, 19920548), (38, 9960274), (76, 4980137), (557, 679516), (1114, 339758), (2228, 169879), (8941, 42332), (10583, 35764), (17882, 21166)]