51985206

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 93166794

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 71, 78, 91, 117, 126, 142, 149, 182, 189, 213, 234, 273, 298, 351, 378, 426, 447, 497, 546, 639, 702, 819, 894, 923, 994, 1043, 1278, 1341, 1491, 1638, 1846, 1917, 1937, 2086, 2457, 2682, 2769, 2982, 3129, 3834, 3874, 4023, 4473, 4914, 5538, 5811, 6258, 6461, 8046, 8307, 8946, 9387, 10579, 11622, 12922, 13419, 13559, 16614, 17433, 18774, 19383, 21158, 24921, 26838, 27118, 28161, 31737, 34866, 38766, 40677, 49842, 52299, 56322, 58149, 63474, 74053, 81354, 95211, 104598, 116298, 122031, 137527, 148106, 174447, 190422, 222159, 244062, 275054, 285633, 348894, 366093, 412581, 444318, 571266, 666477, 732186, 825162, 962689, 1237743, 1332954, 1925378, 1999431, 2475486, 2888067, 3713229, 3998862, 5776134, 7426458, 8664201, 17328402, 25992603, 51985206]

約数ペア:

[(1, 51985206), (2, 25992603), (3, 17328402), (6, 8664201), (7, 7426458), (9, 5776134), (13, 3998862), (14, 3713229), (18, 2888067), (21, 2475486), (26, 1999431), (27, 1925378), (39, 1332954), (42, 1237743), (54, 962689), (63, 825162), (71, 732186), (78, 666477), (91, 571266), (117, 444318), (126, 412581), (142, 366093), (149, 348894), (182, 285633), (189, 275054), (213, 244062), (234, 222159), (273, 190422), (298, 174447), (351, 148106), (378, 137527), (426, 122031), (447, 116298), (497, 104598), (546, 95211), (639, 81354), (702, 74053), (819, 63474), (894, 58149), (923, 56322), (994, 52299), (1043, 49842), (1278, 40677), (1341, 38766), (1491, 34866), (1638, 31737), (1846, 28161), (1917, 27118), (1937, 26838), (2086, 24921), (2457, 21158), (2682, 19383), (2769, 18774), (2982, 17433), (3129, 16614), (3834, 13559), (3874, 13419), (4023, 12922), (4473, 11622), (4914, 10579), (5538, 9387), (5811, 8946), (6258, 8307), (6461, 8046)]