28678256

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:489

約数の個数: 40

約数和(自身を含む): 57590064

約数和(自身を除く): 28911808

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 193, 251, 296, 386, 502, 592, 772, 1004, 1544, 2008, 3088, 4016, 7141, 9287, 14282, 18574, 28564, 37148, 48443, 57128, 74296, 96886, 114256, 148592, 193772, 387544, 775088, 1792391, 3584782, 7169564, 14339128, 28678256]

約数ペア:

[(1, 28678256), (2, 14339128), (4, 7169564), (8, 3584782), (16, 1792391), (37, 775088), (74, 387544), (148, 193772), (193, 148592), (251, 114256), (296, 96886), (386, 74296), (502, 57128), (592, 48443), (772, 37148), (1004, 28564), (1544, 18574), (2008, 14282), (3088, 9287), (4016, 7141)]