639827401

素因数分解:

${\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 663499584

約数和(自身を除く): 23672183

約数列:

[1, 43, 137, 313, 347, 5891, 13459, 14921, 42881, 47539, 108611, 1843883, 2044177, 4670273, 14879707, 639827401]

約数ペア:

[(1, 639827401), (43, 14879707), (137, 4670273), (313, 2044177), (347, 1843883), (5891, 108611), (13459, 47539), (14921, 42881)]