278893438

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{386279}}^1$

素因数の和:386319

約数の個数: 12

約数和(自身を含む): 441518040

約数和(自身を除く): 162624602

約数列:

[1, 2, 19, 38, 361, 722, 386279, 772558, 7339301, 14678602, 139446719, 278893438]

約数ペア:

[(1, 278893438), (2, 139446719), (19, 14678602), (38, 7339301), (361, 772558), (722, 386279)]