639968504

素因数分解:

$2^3\times 7^1\times {\mathrm{11428009}}^1$

素因数の和:11428022

約数の個数: 16

約数和(自身を含む): 1371361200

約数和(自身を除く): 731392696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11428009, 22856018, 45712036, 79996063, 91424072, 159992126, 319984252, 639968504]

約数ペア:

[(1, 639968504), (2, 319984252), (4, 159992126), (7, 91424072), (8, 79996063), (14, 45712036), (28, 22856018), (56, 11428009)]