13123385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 5124295

約数列:

[1, 5, 11, 31, 43, 55, 155, 179, 215, 341, 473, 895, 1333, 1705, 1969, 2365, 5549, 6665, 7697, 9845, 14663, 27745, 38485, 61039, 73315, 84667, 238607, 305195, 423335, 1193035, 2624677, 13123385]

約数ペア:

[(1, 13123385), (5, 2624677), (11, 1193035), (31, 423335), (43, 305195), (55, 238607), (155, 84667), (179, 73315), (215, 61039), (341, 38485), (473, 27745), (895, 14663), (1333, 9845), (1705, 7697), (1969, 6665), (2365, 5549)]