427490785

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^2\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 559653948

約数和(自身を除く): 132163163

約数列:

[1, 5, 19, 37, 95, 173, 185, 361, 703, 865, 1369, 1805, 3287, 3515, 6401, 6845, 13357, 16435, 26011, 32005, 62453, 66785, 121619, 130055, 236837, 312265, 494209, 608095, 1184185, 2310761, 2471045, 4499903, 11553805, 22499515, 85498157, 427490785]

約数ペア:

[(1, 427490785), (5, 85498157), (19, 22499515), (37, 11553805), (95, 4499903), (173, 2471045), (185, 2310761), (361, 1184185), (703, 608095), (865, 494209), (1369, 312265), (1805, 236837), (3287, 130055), (3515, 121619), (6401, 66785), (6845, 62453), (13357, 32005), (16435, 26011)]