1289553664

素因数分解:

$2^8\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 3065803776

約数和(自身を除く): 1776250112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 61, 64, 94, 112, 122, 128, 188, 224, 244, 251, 256, 329, 376, 427, 448, 488, 502, 658, 752, 854, 896, 976, 1004, 1316, 1504, 1708, 1757, 1792, 1952, 2008, 2632, 2867, 3008, 3416, 3514, 3904, 4016, 5264, 5734, 6016, 6832, 7028, 7808, 8032, 10528, 11468, 11797, 12032, 13664, 14056, 15311, 15616, 16064, 20069, 21056, 22936, 23594, 27328, 28112, 30622, 32128, 40138, 42112, 45872, 47188, 54656, 56224, 61244, 64256, 80276, 82579, 84224, 91744, 94376, 107177, 109312, 112448, 122488, 160552, 165158, 183488, 188752, 214354, 224896, 244976, 321104, 330316, 366976, 377504, 428708, 449792, 489952, 642208, 660632, 719617, 733952, 755008, 857416, 979904, 1284416, 1321264, 1439234, 1510016, 1714832, 1959808, 2568832, 2642528, 2878468, 3020032, 3429664, 3919616, 5037319, 5137664, 5285056, 5756936, 6859328, 10074638, 10570112, 11513872, 13718656, 20149276, 21140224, 23027744, 27437312, 40298552, 46055488, 80597104, 92110976, 161194208, 184221952, 322388416, 644776832, 1289553664]

約数ペア:

[(1, 1289553664), (2, 644776832), (4, 322388416), (7, 184221952), (8, 161194208), (14, 92110976), (16, 80597104), (28, 46055488), (32, 40298552), (47, 27437312), (56, 23027744), (61, 21140224), (64, 20149276), (94, 13718656), (112, 11513872), (122, 10570112), (128, 10074638), (188, 6859328), (224, 5756936), (244, 5285056), (251, 5137664), (256, 5037319), (329, 3919616), (376, 3429664), (427, 3020032), (448, 2878468), (488, 2642528), (502, 2568832), (658, 1959808), (752, 1714832), (854, 1510016), (896, 1439234), (976, 1321264), (1004, 1284416), (1316, 979904), (1504, 857416), (1708, 755008), (1757, 733952), (1792, 719617), (1952, 660632), (2008, 642208), (2632, 489952), (2867, 449792), (3008, 428708), (3416, 377504), (3514, 366976), (3904, 330316), (4016, 321104), (5264, 244976), (5734, 224896), (6016, 214354), (6832, 188752), (7028, 183488), (7808, 165158), (8032, 160552), (10528, 122488), (11468, 112448), (11797, 109312), (12032, 107177), (13664, 94376), (14056, 91744), (15311, 84224), (15616, 82579), (16064, 80276), (20069, 64256), (21056, 61244), (22936, 56224), (23594, 54656), (27328, 47188), (28112, 45872), (30622, 42112), (32128, 40138)]