131311648

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{24281}}^1$

素因数の和:24317

約数の個数: 36

約数和(自身を含む): 279947178

約数和(自身を除く): 148635530

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 24281, 48562, 97124, 194248, 315653, 388496, 631306, 776992, 1262612, 2525224, 4103489, 5050448, 8206978, 10100896, 16413956, 32827912, 65655824, 131311648]

約数ペア:

[(1, 131311648), (2, 65655824), (4, 32827912), (8, 16413956), (13, 10100896), (16, 8206978), (26, 5050448), (32, 4103489), (52, 2525224), (104, 1262612), (169, 776992), (208, 631306), (338, 388496), (416, 315653), (676, 194248), (1352, 97124), (2704, 48562), (5408, 24281)]