1728779990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{24696857}}^1$

素因数の和:24696871

約数の個数: 16

約数和(自身を含む): 3556347552

約数和(自身を除く): 1827567562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 24696857, 49393714, 123484285, 172877999, 246968570, 345755998, 864389995, 1728779990]

約数ペア:

[(1, 1728779990), (2, 864389995), (5, 345755998), (7, 246968570), (10, 172877999), (14, 123484285), (35, 49393714), (70, 24696857)]