397173655

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 498168000

約数和(自身を除く): 100994345

約数列:

[1, 5, 67, 73, 109, 149, 335, 365, 545, 745, 4891, 7303, 7957, 9983, 10877, 16241, 24455, 36515, 39785, 49915, 54385, 81205, 533119, 728759, 1088147, 1185593, 2665595, 3643795, 5440735, 5927965, 79434731, 397173655]

約数ペア:

[(1, 397173655), (5, 79434731), (67, 5927965), (73, 5440735), (109, 3643795), (149, 2665595), (335, 1185593), (365, 1088147), (545, 728759), (745, 533119), (4891, 81205), (7303, 54385), (7957, 49915), (9983, 39785), (10877, 36515), (16241, 24455)]