638337324

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{406067}}^1$

素因数の和:406205

約数の個数: 24

約数和(自身を含む): 1500827328

約数和(自身を除く): 862490004

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 406067, 812134, 1218201, 1624268, 2436402, 4872804, 53194777, 106389554, 159584331, 212779108, 319168662, 638337324]

約数ペア:

[(1, 638337324), (2, 319168662), (3, 212779108), (4, 159584331), (6, 106389554), (12, 53194777), (131, 4872804), (262, 2436402), (393, 1624268), (524, 1218201), (786, 812134), (1572, 406067)]