311992064

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{19979}}^1$

素因数の和:20056

約数の個数: 36

約数和(自身を含む): 633006360

約数和(自身を除く): 321014296

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1952, 3904, 7808, 15616, 19979, 39958, 79916, 159832, 319664, 639328, 1218719, 1278656, 2437438, 2557312, 4874876, 5114624, 9749752, 19499504, 38999008, 77998016, 155996032, 311992064]

約数ペア:

[(1, 311992064), (2, 155996032), (4, 77998016), (8, 38999008), (16, 19499504), (32, 9749752), (61, 5114624), (64, 4874876), (122, 2557312), (128, 2437438), (244, 1278656), (256, 1218719), (488, 639328), (976, 319664), (1952, 159832), (3904, 79916), (7808, 39958), (15616, 19979)]