256323438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:662

約数の個数: 96

約数和(自身を含む): 661340160

約数和(自身を除く): 405016722

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 137, 186, 217, 274, 279, 411, 434, 479, 558, 651, 822, 958, 959, 1233, 1302, 1437, 1918, 1953, 2466, 2874, 2877, 3353, 3906, 4247, 4311, 5754, 6706, 8494, 8622, 8631, 10059, 12741, 14849, 17262, 20118, 25482, 29698, 29729, 30177, 38223, 44547, 59458, 60354, 65623, 76446, 89094, 89187, 103943, 131246, 133641, 178374, 196869, 207886, 267282, 267561, 311829, 393738, 459361, 535122, 590607, 623658, 918722, 935487, 1181214, 1378083, 1870974, 2034313, 2756166, 4068626, 4134249, 6102939, 8268498, 12205878, 14240191, 18308817, 28480382, 36617634, 42720573, 85441146, 128161719, 256323438]

約数ペア:

[(1, 256323438), (2, 128161719), (3, 85441146), (6, 42720573), (7, 36617634), (9, 28480382), (14, 18308817), (18, 14240191), (21, 12205878), (31, 8268498), (42, 6102939), (62, 4134249), (63, 4068626), (93, 2756166), (126, 2034313), (137, 1870974), (186, 1378083), (217, 1181214), (274, 935487), (279, 918722), (411, 623658), (434, 590607), (479, 535122), (558, 459361), (651, 393738), (822, 311829), (958, 267561), (959, 267282), (1233, 207886), (1302, 196869), (1437, 178374), (1918, 133641), (1953, 131246), (2466, 103943), (2874, 89187), (2877, 89094), (3353, 76446), (3906, 65623), (4247, 60354), (4311, 59458), (5754, 44547), (6706, 38223), (8494, 30177), (8622, 29729), (8631, 29698), (10059, 25482), (12741, 20118), (14849, 17262)]