131788636

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 289322880

約数和(自身を除く): 157534244

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 532, 602, 817, 823, 931, 1204, 1634, 1646, 1862, 2107, 3268, 3292, 3724, 4214, 5719, 5761, 8428, 11438, 11522, 15637, 22876, 23044, 31274, 35389, 40033, 40327, 62548, 70778, 80066, 80654, 109459, 141556, 160132, 161308, 218918, 247723, 437836, 495446, 672391, 766213, 990892, 1344782, 1532426, 1734061, 2689564, 3064852, 3468122, 4706737, 6936244, 9413474, 18826948, 32947159, 65894318, 131788636]

約数ペア:

[(1, 131788636), (2, 65894318), (4, 32947159), (7, 18826948), (14, 9413474), (19, 6936244), (28, 4706737), (38, 3468122), (43, 3064852), (49, 2689564), (76, 1734061), (86, 1532426), (98, 1344782), (133, 990892), (172, 766213), (196, 672391), (266, 495446), (301, 437836), (532, 247723), (602, 218918), (817, 161308), (823, 160132), (931, 141556), (1204, 109459), (1634, 80654), (1646, 80066), (1862, 70778), (2107, 62548), (3268, 40327), (3292, 40033), (3724, 35389), (4214, 31274), (5719, 23044), (5761, 22876), (8428, 15637), (11438, 11522)]