258328731

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{367}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 372003840

約数和(自身を除く): 113675109

約数列:

[1, 3, 19, 53, 57, 159, 233, 367, 699, 1007, 1101, 3021, 4427, 6973, 12349, 13281, 19451, 20919, 37047, 58353, 85511, 234631, 256533, 369569, 703893, 1108707, 1624709, 4532083, 4874127, 13596249, 86109577, 258328731]

約数ペア:

[(1, 258328731), (3, 86109577), (19, 13596249), (53, 4874127), (57, 4532083), (159, 1624709), (233, 1108707), (367, 703893), (699, 369569), (1007, 256533), (1101, 234631), (3021, 85511), (4427, 58353), (6973, 37047), (12349, 20919), (13281, 19451)]