81984

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{61}}^1$

素因数の和:83

約数の個数: 56

約数和(自身を含む): 251968

約数和(自身を除く): 169984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 64, 84, 96, 112, 122, 168, 183, 192, 224, 244, 336, 366, 427, 448, 488, 672, 732, 854, 976, 1281, 1344, 1464, 1708, 1952, 2562, 2928, 3416, 3904, 5124, 5856, 6832, 10248, 11712, 13664, 20496, 27328, 40992, 81984]

約数ペア:

[(1, 81984), (2, 40992), (3, 27328), (4, 20496), (6, 13664), (7, 11712), (8, 10248), (12, 6832), (14, 5856), (16, 5124), (21, 3904), (24, 3416), (28, 2928), (32, 2562), (42, 1952), (48, 1708), (56, 1464), (61, 1344), (64, 1281), (84, 976), (96, 854), (112, 732), (122, 672), (168, 488), (183, 448), (192, 427), (224, 366), (244, 336)]