161837312

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6983

約数の個数: 72

約数和(自身を含む): 397647936

約数和(自身を除く): 235810624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 6947, 11648, 13894, 23296, 27788, 48629, 55576, 90311, 97258, 111152, 180622, 194516, 222304, 361244, 389032, 444608, 632177, 722488, 778064, 889216, 1264354, 1444976, 1556128, 1778432, 2528708, 2889952, 3112256, 5057416, 5779904, 6224512, 10114832, 11559808, 12449024, 20229664, 23119616, 40459328, 80918656, 161837312]

約数ペア:

[(1, 161837312), (2, 80918656), (4, 40459328), (7, 23119616), (8, 20229664), (13, 12449024), (14, 11559808), (16, 10114832), (26, 6224512), (28, 5779904), (32, 5057416), (52, 3112256), (56, 2889952), (64, 2528708), (91, 1778432), (104, 1556128), (112, 1444976), (128, 1264354), (182, 889216), (208, 778064), (224, 722488), (256, 632177), (364, 444608), (416, 389032), (448, 361244), (728, 222304), (832, 194516), (896, 180622), (1456, 111152), (1664, 97258), (1792, 90311), (2912, 55576), (3328, 48629), (5824, 27788), (6947, 23296), (11648, 13894)]