28880852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7213}}^1$

素因数の和:7248

約数の個数: 48

約数和(自身を含む): 67869312

約数和(自身を除く): 38988460

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 7213, 14426, 28852, 50491, 79343, 93769, 100982, 158686, 187538, 201964, 317372, 375076, 555401, 656383, 1031459, 1110802, 1312766, 2062918, 2221604, 2625532, 4125836, 7220213, 14440426, 28880852]

約数ペア:

[(1, 28880852), (2, 14440426), (4, 7220213), (7, 4125836), (11, 2625532), (13, 2221604), (14, 2062918), (22, 1312766), (26, 1110802), (28, 1031459), (44, 656383), (52, 555401), (77, 375076), (91, 317372), (143, 201964), (154, 187538), (182, 158686), (286, 100982), (308, 93769), (364, 79343), (572, 50491), (1001, 28852), (2002, 14426), (4004, 7213)]