39740428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2539}}^1$

素因数の和:2606

約数の個数: 48

約数和(自身を含む): 87619840

約数和(自身を除く): 47879412

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1118, 1204, 2236, 2539, 3913, 5078, 7826, 10156, 15652, 17773, 33007, 35546, 66014, 71092, 109177, 132028, 218354, 231049, 436708, 462098, 764239, 924196, 1419301, 1528478, 2838602, 3056956, 5677204, 9935107, 19870214, 39740428]

約数ペア:

[(1, 39740428), (2, 19870214), (4, 9935107), (7, 5677204), (13, 3056956), (14, 2838602), (26, 1528478), (28, 1419301), (43, 924196), (52, 764239), (86, 462098), (91, 436708), (172, 231049), (182, 218354), (301, 132028), (364, 109177), (559, 71092), (602, 66014), (1118, 35546), (1204, 33007), (2236, 17773), (2539, 15652), (3913, 10156), (5078, 7826)]