1388960072

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{1789897}}^1$

素因数の和:1790000

約数の個数: 16

約数和(自身を含む): 2631150060

約数和(自身を除く): 1242189988

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 1789897, 3579794, 7159588, 14319176, 173620009, 347240018, 694480036, 1388960072]

約数ペア:

[(1, 1388960072), (2, 694480036), (4, 347240018), (8, 173620009), (97, 14319176), (194, 7159588), (388, 3579794), (776, 1789897)]