90212759

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 116035584

約数和(自身を除く): 25822825

約数列:

[1, 7, 13, 31, 91, 113, 217, 283, 403, 791, 1469, 1981, 2821, 3503, 3679, 8773, 10283, 24521, 25753, 31979, 45539, 61411, 114049, 223853, 318773, 415727, 798343, 991349, 2910089, 6939443, 12887537, 90212759]

約数ペア:

[(1, 90212759), (7, 12887537), (13, 6939443), (31, 2910089), (91, 991349), (113, 798343), (217, 415727), (283, 318773), (403, 223853), (791, 114049), (1469, 61411), (1981, 45539), (2821, 31979), (3503, 25753), (3679, 24521), (8773, 10283)]