12820736

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 26042604

約数和(自身を除く): 13221868

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 821, 976, 1642, 1952, 3284, 3904, 6568, 7808, 13136, 15616, 26272, 50081, 52544, 100162, 105088, 200324, 210176, 400648, 801296, 1602592, 3205184, 6410368, 12820736]

約数ペア:

[(1, 12820736), (2, 6410368), (4, 3205184), (8, 1602592), (16, 801296), (32, 400648), (61, 210176), (64, 200324), (122, 105088), (128, 100162), (244, 52544), (256, 50081), (488, 26272), (821, 15616), (976, 13136), (1642, 7808), (1952, 6568), (3284, 3904)]