258651855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4391}}^1$

素因数の和:4437

約数の個数: 96

約数和(自身を含む): 591971328

約数和(自身を除く): 333319473

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 33, 35, 45, 51, 55, 63, 77, 85, 99, 105, 119, 153, 165, 187, 231, 255, 315, 357, 385, 495, 561, 595, 693, 765, 935, 1071, 1155, 1309, 1683, 1785, 2805, 3465, 3927, 4391, 5355, 6545, 8415, 11781, 13173, 19635, 21955, 30737, 39519, 48301, 58905, 65865, 74647, 92211, 144903, 153685, 197595, 223941, 241505, 276633, 338107, 373235, 434709, 461055, 522529, 671823, 724515, 821117, 1014321, 1119705, 1383165, 1567587, 1690535, 2173545, 2463351, 2612645, 3042963, 3359115, 4105585, 4702761, 5071605, 5747819, 7390053, 7837935, 12316755, 15214815, 17243457, 23513805, 28739095, 36950265, 51730371, 86217285, 258651855]

約数ペア:

[(1, 258651855), (3, 86217285), (5, 51730371), (7, 36950265), (9, 28739095), (11, 23513805), (15, 17243457), (17, 15214815), (21, 12316755), (33, 7837935), (35, 7390053), (45, 5747819), (51, 5071605), (55, 4702761), (63, 4105585), (77, 3359115), (85, 3042963), (99, 2612645), (105, 2463351), (119, 2173545), (153, 1690535), (165, 1567587), (187, 1383165), (231, 1119705), (255, 1014321), (315, 821117), (357, 724515), (385, 671823), (495, 522529), (561, 461055), (595, 434709), (693, 373235), (765, 338107), (935, 276633), (1071, 241505), (1155, 223941), (1309, 197595), (1683, 153685), (1785, 144903), (2805, 92211), (3465, 74647), (3927, 65865), (4391, 58905), (5355, 48301), (6545, 39519), (8415, 30737), (11781, 21955), (13173, 19635)]