13681525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 20623680

約数和(自身を除く): 6942155

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 89, 143, 215, 275, 325, 445, 473, 559, 715, 979, 1075, 1157, 2225, 2365, 2795, 3575, 3827, 4895, 5785, 6149, 11825, 12727, 13975, 19135, 24475, 28925, 30745, 42097, 49751, 63635, 95675, 153725, 210485, 248755, 318175, 547261, 1052425, 1243775, 2736305, 13681525]

約数ペア:

[(1, 13681525), (5, 2736305), (11, 1243775), (13, 1052425), (25, 547261), (43, 318175), (55, 248755), (65, 210485), (89, 153725), (143, 95675), (215, 63635), (275, 49751), (325, 42097), (445, 30745), (473, 28925), (559, 24475), (715, 19135), (979, 13975), (1075, 12727), (1157, 11825), (2225, 6149), (2365, 5785), (2795, 4895), (3575, 3827)]