90385057

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 109512960

約数和(自身を除く): 19127903

約数列:

[1, 7, 31, 49, 157, 217, 379, 1099, 1519, 2653, 4867, 7693, 11749, 18571, 34069, 59503, 82243, 238483, 416521, 575701, 1844593, 2915647, 12912151, 90385057]

約数ペア:

[(1, 90385057), (7, 12912151), (31, 2915647), (49, 1844593), (157, 575701), (217, 416521), (379, 238483), (1099, 82243), (1519, 59503), (2653, 34069), (4867, 18571), (7693, 11749)]