131158768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20341}}^1$

素因数の和:20393

約数の個数: 40

約数和(自身を含む): 282509696

約数和(自身を除く): 151350928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20341, 40682, 81364, 162728, 264433, 325456, 528866, 630571, 1057732, 1261142, 2115464, 2522284, 4230928, 5044568, 8197423, 10089136, 16394846, 32789692, 65579384, 131158768]

約数ペア:

[(1, 131158768), (2, 65579384), (4, 32789692), (8, 16394846), (13, 10089136), (16, 8197423), (26, 5044568), (31, 4230928), (52, 2522284), (62, 2115464), (104, 1261142), (124, 1057732), (208, 630571), (248, 528866), (403, 325456), (496, 264433), (806, 162728), (1612, 81364), (3224, 40682), (6448, 20341)]