7137792025

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1129}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 11125668120

約数和(自身を除く): 3987876095

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 397, 455, 637, 1129, 1225, 1985, 2275, 2779, 3185, 5161, 5645, 7903, 9925, 13895, 14677, 15925, 19453, 25805, 28225, 36127, 39515, 55321, 69475, 73385, 97265, 102739, 129025, 180635, 197575, 252889, 276605, 366925, 448213, 486325, 513695, 719173, 903175, 1264445, 1383025, 2241065, 2568475, 3137491, 3595865, 5826769, 6322225, 11205325, 15687455, 17979325, 21962437, 29133845, 40787383, 78437275, 109812185, 145669225, 203936915, 285511681, 549060925, 1019684575, 1427558405, 7137792025]

約数ペア:

[(1, 7137792025), (5, 1427558405), (7, 1019684575), (13, 549060925), (25, 285511681), (35, 203936915), (49, 145669225), (65, 109812185), (91, 78437275), (175, 40787383), (245, 29133845), (325, 21962437), (397, 17979325), (455, 15687455), (637, 11205325), (1129, 6322225), (1225, 5826769), (1985, 3595865), (2275, 3137491), (2779, 2568475), (3185, 2241065), (5161, 1383025), (5645, 1264445), (7903, 903175), (9925, 719173), (13895, 513695), (14677, 486325), (15925, 448213), (19453, 366925), (25805, 276605), (28225, 252889), (36127, 197575), (39515, 180635), (55321, 129025), (69475, 102739), (73385, 97265)]