256964526

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 144

約数和(自身を含む): 709332624

約数和(自身を除く): 452368098

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 73, 78, 91, 98, 117, 126, 146, 147, 182, 219, 234, 273, 294, 307, 438, 441, 511, 546, 614, 637, 657, 819, 882, 921, 949, 1022, 1274, 1314, 1533, 1638, 1842, 1898, 1911, 2149, 2763, 2847, 3066, 3577, 3822, 3991, 4298, 4599, 5526, 5694, 5733, 6447, 6643, 7154, 7982, 8541, 9198, 10731, 11466, 11973, 12894, 13286, 15043, 17082, 19341, 19929, 21462, 22411, 23946, 27937, 30086, 32193, 35919, 38682, 39858, 44822, 45129, 46501, 55874, 59787, 64386, 67233, 71838, 83811, 90258, 93002, 119574, 134466, 135387, 139503, 156877, 167622, 195559, 201699, 251433, 270774, 279006, 291343, 313754, 391118, 403398, 418509, 470631, 502866, 582686, 586677, 837018, 874029, 941262, 1098139, 1173354, 1411893, 1748058, 1760031, 2039401, 2196278, 2622087, 2823786, 3294417, 3520062, 4078802, 5244174, 6118203, 6588834, 9883251, 12236406, 14275807, 18354609, 19766502, 28551614, 36709218, 42827421, 85654842, 128482263, 256964526]

約数ペア:

[(1, 256964526), (2, 128482263), (3, 85654842), (6, 42827421), (7, 36709218), (9, 28551614), (13, 19766502), (14, 18354609), (18, 14275807), (21, 12236406), (26, 9883251), (39, 6588834), (42, 6118203), (49, 5244174), (63, 4078802), (73, 3520062), (78, 3294417), (91, 2823786), (98, 2622087), (117, 2196278), (126, 2039401), (146, 1760031), (147, 1748058), (182, 1411893), (219, 1173354), (234, 1098139), (273, 941262), (294, 874029), (307, 837018), (438, 586677), (441, 582686), (511, 502866), (546, 470631), (614, 418509), (637, 403398), (657, 391118), (819, 313754), (882, 291343), (921, 279006), (949, 270774), (1022, 251433), (1274, 201699), (1314, 195559), (1533, 167622), (1638, 156877), (1842, 139503), (1898, 135387), (1911, 134466), (2149, 119574), (2763, 93002), (2847, 90258), (3066, 83811), (3577, 71838), (3822, 67233), (3991, 64386), (4298, 59787), (4599, 55874), (5526, 46501), (5694, 45129), (5733, 44822), (6447, 39858), (6643, 38682), (7154, 35919), (7982, 32193), (8541, 30086), (9198, 27937), (10731, 23946), (11466, 22411), (11973, 21462), (12894, 19929), (13286, 19341), (15043, 17082)]