978010004

素因数分解:

$2^2\times {\mathrm{449}}^1\times {\mathrm{544549}}^1$

素因数の和:545002

約数の個数: 12

約数和(自身を含む): 1715332500

約数和(自身を除く): 737322496

約数列:

[1, 2, 4, 449, 898, 1796, 544549, 1089098, 2178196, 244502501, 489005002, 978010004]

約数ペア:

[(1, 978010004), (2, 489005002), (4, 244502501), (449, 2178196), (898, 1089098), (1796, 544549)]