404323895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 523219200

約数和(自身を除く): 118895305

約数列:

[1, 5, 19, 67, 95, 139, 335, 457, 695, 1273, 2285, 2641, 6365, 8683, 9313, 13205, 30619, 43415, 46565, 63523, 153095, 176947, 317615, 581761, 884735, 1206937, 2908805, 4256041, 6034685, 21280205, 80864779, 404323895]

約数ペア:

[(1, 404323895), (5, 80864779), (19, 21280205), (67, 6034685), (95, 4256041), (139, 2908805), (335, 1206937), (457, 884735), (695, 581761), (1273, 317615), (2285, 176947), (2641, 153095), (6365, 63523), (8683, 46565), (9313, 43415), (13205, 30619)]