28439236

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 59226496

約数和(自身を除く): 30787260

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 97, 148, 194, 259, 283, 388, 518, 566, 679, 1036, 1132, 1358, 1981, 2716, 3589, 3962, 7178, 7924, 10471, 14356, 20942, 25123, 27451, 41884, 50246, 54902, 73297, 100492, 109804, 146594, 192157, 293188, 384314, 768628, 1015687, 2031374, 4062748, 7109809, 14219618, 28439236]

約数ペア:

[(1, 28439236), (2, 14219618), (4, 7109809), (7, 4062748), (14, 2031374), (28, 1015687), (37, 768628), (74, 384314), (97, 293188), (148, 192157), (194, 146594), (259, 109804), (283, 100492), (388, 73297), (518, 54902), (566, 50246), (679, 41884), (1036, 27451), (1132, 25123), (1358, 20942), (1981, 14356), (2716, 10471), (3589, 7924), (3962, 7178)]