178995726

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 495213264

約数和(自身を除く): 316217538

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 67, 78, 91, 98, 117, 126, 134, 147, 182, 201, 233, 234, 273, 294, 402, 441, 466, 469, 546, 603, 637, 699, 819, 871, 882, 938, 1206, 1274, 1398, 1407, 1631, 1638, 1742, 1911, 2097, 2613, 2814, 3029, 3262, 3283, 3822, 4194, 4221, 4893, 5226, 5733, 6058, 6097, 6566, 7839, 8442, 9087, 9786, 9849, 11417, 11466, 12194, 14679, 15611, 15678, 18174, 18291, 19698, 21203, 22834, 27261, 29358, 29547, 31222, 34251, 36582, 42406, 42679, 46833, 54522, 54873, 59094, 63609, 68502, 85358, 93666, 102753, 109277, 109746, 127218, 128037, 140499, 148421, 190827, 202943, 205506, 218554, 256074, 280998, 296842, 327831, 381654, 384111, 405886, 445263, 608829, 655662, 764939, 768222, 890526, 983493, 1217658, 1335789, 1420601, 1529878, 1826487, 1966986, 2294817, 2671578, 2841202, 3652974, 4261803, 4589634, 6884451, 8523606, 9944207, 12785409, 13768902, 19888414, 25570818, 29832621, 59665242, 89497863, 178995726]

約数ペア:

[(1, 178995726), (2, 89497863), (3, 59665242), (6, 29832621), (7, 25570818), (9, 19888414), (13, 13768902), (14, 12785409), (18, 9944207), (21, 8523606), (26, 6884451), (39, 4589634), (42, 4261803), (49, 3652974), (63, 2841202), (67, 2671578), (78, 2294817), (91, 1966986), (98, 1826487), (117, 1529878), (126, 1420601), (134, 1335789), (147, 1217658), (182, 983493), (201, 890526), (233, 768222), (234, 764939), (273, 655662), (294, 608829), (402, 445263), (441, 405886), (466, 384111), (469, 381654), (546, 327831), (603, 296842), (637, 280998), (699, 256074), (819, 218554), (871, 205506), (882, 202943), (938, 190827), (1206, 148421), (1274, 140499), (1398, 128037), (1407, 127218), (1631, 109746), (1638, 109277), (1742, 102753), (1911, 93666), (2097, 85358), (2613, 68502), (2814, 63609), (3029, 59094), (3262, 54873), (3283, 54522), (3822, 46833), (4194, 42679), (4221, 42406), (4893, 36582), (5226, 34251), (5733, 31222), (6058, 29547), (6097, 29358), (6566, 27261), (7839, 22834), (8442, 21203), (9087, 19698), (9786, 18291), (9849, 18174), (11417, 15678), (11466, 15611), (12194, 14679)]