129130768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{620821}}^1$

素因数の和:620842

約数の個数: 20

約数和(自身を含む): 269436748

約数和(自身を除く): 140305980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 620821, 1241642, 2483284, 4966568, 8070673, 9933136, 16141346, 32282692, 64565384, 129130768]

約数ペア:

[(1, 129130768), (2, 64565384), (4, 32282692), (8, 16141346), (13, 9933136), (16, 8070673), (26, 4966568), (52, 2483284), (104, 1241642), (208, 620821)]