13643255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 4604425

約数列:

[1, 5, 23, 31, 43, 89, 115, 155, 215, 445, 713, 989, 1333, 2047, 2759, 3565, 3827, 4945, 6665, 10235, 13795, 19135, 30659, 63457, 88021, 118637, 153295, 317285, 440105, 593185, 2728651, 13643255]

約数ペア:

[(1, 13643255), (5, 2728651), (23, 593185), (31, 440105), (43, 317285), (89, 153295), (115, 118637), (155, 88021), (215, 63457), (445, 30659), (713, 19135), (989, 13795), (1333, 10235), (2047, 6665), (2759, 4945), (3565, 3827)]