248961405

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 522547200

約数和(自身を除く): 273585795

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 53, 55, 77, 83, 105, 147, 159, 165, 231, 245, 249, 265, 343, 371, 385, 415, 539, 581, 583, 735, 795, 913, 1029, 1113, 1155, 1245, 1617, 1715, 1743, 1749, 1855, 2597, 2695, 2739, 2905, 2915, 3773, 4067, 4081, 4399, 4565, 5145, 5565, 6391, 7791, 8085, 8715, 8745, 11319, 12201, 12243, 12985, 13197, 13695, 18179, 18865, 19173, 20335, 20405, 21995, 28469, 28567, 30793, 31955, 38955, 44737, 48389, 54537, 56595, 61005, 61215, 65985, 85407, 85701, 90895, 92379, 95865, 134211, 142345, 142835, 145167, 153965, 199969, 215551, 223685, 241945, 272685, 313159, 338723, 427035, 428505, 461895, 599907, 646653, 671055, 725835, 939477, 999845, 1016169, 1077755, 1508857, 1565795, 1693615, 2371061, 2999535, 3233265, 4526571, 4697385, 5080845, 7113183, 7544285, 11855305, 16597427, 22632855, 35565915, 49792281, 82987135, 248961405]

約数ペア:

[(1, 248961405), (3, 82987135), (5, 49792281), (7, 35565915), (11, 22632855), (15, 16597427), (21, 11855305), (33, 7544285), (35, 7113183), (49, 5080845), (53, 4697385), (55, 4526571), (77, 3233265), (83, 2999535), (105, 2371061), (147, 1693615), (159, 1565795), (165, 1508857), (231, 1077755), (245, 1016169), (249, 999845), (265, 939477), (343, 725835), (371, 671055), (385, 646653), (415, 599907), (539, 461895), (581, 428505), (583, 427035), (735, 338723), (795, 313159), (913, 272685), (1029, 241945), (1113, 223685), (1155, 215551), (1245, 199969), (1617, 153965), (1715, 145167), (1743, 142835), (1749, 142345), (1855, 134211), (2597, 95865), (2695, 92379), (2739, 90895), (2905, 85701), (2915, 85407), (3773, 65985), (4067, 61215), (4081, 61005), (4399, 56595), (4565, 54537), (5145, 48389), (5565, 44737), (6391, 38955), (7791, 31955), (8085, 30793), (8715, 28567), (8745, 28469), (11319, 21995), (12201, 20405), (12243, 20335), (12985, 19173), (13197, 18865), (13695, 18179)]