51465708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1559}}^1$

素因数の和:1707

約数の個数: 72

約数和(自身を含む): 149909760

約数和(自身を除く): 98444052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 917, 1179, 1559, 1572, 1834, 2358, 2751, 3118, 3668, 4677, 4716, 5502, 6236, 8253, 9354, 10913, 11004, 14031, 16506, 18708, 21826, 28062, 32739, 33012, 43652, 56124, 65478, 98217, 130956, 196434, 204229, 392868, 408458, 612687, 816916, 1225374, 1429603, 1838061, 2450748, 2859206, 3676122, 4288809, 5718412, 7352244, 8577618, 12866427, 17155236, 25732854, 51465708]

約数ペア:

[(1, 51465708), (2, 25732854), (3, 17155236), (4, 12866427), (6, 8577618), (7, 7352244), (9, 5718412), (12, 4288809), (14, 3676122), (18, 2859206), (21, 2450748), (28, 1838061), (36, 1429603), (42, 1225374), (63, 816916), (84, 612687), (126, 408458), (131, 392868), (252, 204229), (262, 196434), (393, 130956), (524, 98217), (786, 65478), (917, 56124), (1179, 43652), (1559, 33012), (1572, 32739), (1834, 28062), (2358, 21826), (2751, 18708), (3118, 16506), (3668, 14031), (4677, 11004), (4716, 10913), (5502, 9354), (6236, 8253)]