81231872

素因数分解:

$2^{15}\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 169342440

約数和(自身を除く): 88110568

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 67, 74, 128, 134, 148, 256, 268, 296, 512, 536, 592, 1024, 1072, 1184, 2048, 2144, 2368, 2479, 4096, 4288, 4736, 4958, 8192, 8576, 9472, 9916, 16384, 17152, 18944, 19832, 32768, 34304, 37888, 39664, 68608, 75776, 79328, 137216, 151552, 158656, 274432, 303104, 317312, 548864, 606208, 634624, 1097728, 1212416, 1269248, 2195456, 2538496, 5076992, 10153984, 20307968, 40615936, 81231872]

約数ペア:

[(1, 81231872), (2, 40615936), (4, 20307968), (8, 10153984), (16, 5076992), (32, 2538496), (37, 2195456), (64, 1269248), (67, 1212416), (74, 1097728), (128, 634624), (134, 606208), (148, 548864), (256, 317312), (268, 303104), (296, 274432), (512, 158656), (536, 151552), (592, 137216), (1024, 79328), (1072, 75776), (1184, 68608), (2048, 39664), (2144, 37888), (2368, 34304), (2479, 32768), (4096, 19832), (4288, 18944), (4736, 17152), (4958, 16384), (8192, 9916), (8576, 9472)]