647524878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:990

約数の個数: 128

約数和(自身を含む): 1754210304

約数和(自身を除く): 1106685426

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 131, 143, 154, 182, 231, 262, 273, 286, 393, 429, 462, 546, 786, 823, 858, 917, 1001, 1441, 1646, 1703, 1834, 2002, 2469, 2751, 2882, 3003, 3406, 4323, 4938, 5109, 5502, 5761, 6006, 8646, 9053, 10087, 10218, 10699, 11522, 11921, 17283, 18106, 18733, 20174, 21398, 23842, 27159, 30261, 32097, 34566, 35763, 37466, 54318, 56199, 60522, 63371, 64194, 71526, 74893, 107813, 112398, 117689, 126742, 131131, 149786, 190113, 215626, 224679, 235378, 262262, 323439, 353067, 380226, 393393, 449358, 646878, 706134, 754691, 786786, 823823, 1185943, 1401569, 1509382, 1647646, 2264073, 2371886, 2471469, 2803138, 3557829, 4204707, 4528146, 4942938, 7115658, 8301601, 8409414, 9810983, 15417259, 16603202, 19621966, 24904803, 29432949, 30834518, 46251777, 49809606, 58865898, 92503554, 107920813, 215841626, 323762439, 647524878]

約数ペア:

[(1, 647524878), (2, 323762439), (3, 215841626), (6, 107920813), (7, 92503554), (11, 58865898), (13, 49809606), (14, 46251777), (21, 30834518), (22, 29432949), (26, 24904803), (33, 19621966), (39, 16603202), (42, 15417259), (66, 9810983), (77, 8409414), (78, 8301601), (91, 7115658), (131, 4942938), (143, 4528146), (154, 4204707), (182, 3557829), (231, 2803138), (262, 2471469), (273, 2371886), (286, 2264073), (393, 1647646), (429, 1509382), (462, 1401569), (546, 1185943), (786, 823823), (823, 786786), (858, 754691), (917, 706134), (1001, 646878), (1441, 449358), (1646, 393393), (1703, 380226), (1834, 353067), (2002, 323439), (2469, 262262), (2751, 235378), (2882, 224679), (3003, 215626), (3406, 190113), (4323, 149786), (4938, 131131), (5109, 126742), (5502, 117689), (5761, 112398), (6006, 107813), (8646, 74893), (9053, 71526), (10087, 64194), (10218, 63371), (10699, 60522), (11522, 56199), (11921, 54318), (17283, 37466), (18106, 35763), (18733, 34566), (20174, 32097), (21398, 30261), (23842, 27159)]