72885215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 97796160

約数和(自身を除く): 24910945

約数列:

[1, 5, 13, 43, 65, 89, 215, 293, 445, 559, 1157, 1465, 2795, 3809, 3827, 5785, 12599, 19045, 19135, 26077, 49751, 62995, 130385, 163787, 248755, 339001, 818935, 1121311, 1695005, 5606555, 14577043, 72885215]

約数ペア:

[(1, 72885215), (5, 14577043), (13, 5606555), (43, 1695005), (65, 1121311), (89, 818935), (215, 339001), (293, 248755), (445, 163787), (559, 130385), (1157, 62995), (1465, 49751), (2795, 26077), (3809, 19135), (3827, 19045), (5785, 12599)]