129456538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{24509}}^1$

素因数の和:24669

約数の個数: 16

約数和(自身を含む): 205884000

約数和(自身を除く): 76427462

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 24509, 49018, 465671, 931342, 3406751, 6813502, 64728269, 129456538]

約数ペア:

[(1, 129456538), (2, 64728269), (19, 6813502), (38, 3406751), (139, 931342), (278, 465671), (2641, 49018), (5282, 24509)]