28389368

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3229}}^1$

素因数の和:3399

約数の個数: 32

約数和(自身を含む): 61240800

約数和(自身を除く): 32851432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 3229, 4396, 6458, 8792, 12916, 22603, 25832, 45206, 90412, 180824, 506953, 1013906, 2027812, 3548671, 4055624, 7097342, 14194684, 28389368]

約数ペア:

[(1, 28389368), (2, 14194684), (4, 7097342), (7, 4055624), (8, 3548671), (14, 2027812), (28, 1013906), (56, 506953), (157, 180824), (314, 90412), (628, 45206), (1099, 25832), (1256, 22603), (2198, 12916), (3229, 8792), (4396, 6458)]