405438428

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{409}}^1\times {\mathrm{3137}}^1$

素因数の和:3629

約数の個数: 24

約数和(自身を含む): 720484800

約数和(自身を除く): 315046372

約数列:

[1, 2, 4, 79, 158, 316, 409, 818, 1636, 3137, 6274, 12548, 32311, 64622, 129244, 247823, 495646, 991292, 1283033, 2566066, 5132132, 101359607, 202719214, 405438428]

約数ペア:

[(1, 405438428), (2, 202719214), (4, 101359607), (79, 5132132), (158, 2566066), (316, 1283033), (409, 991292), (818, 495646), (1636, 247823), (3137, 129244), (6274, 64622), (12548, 32311)]