64399569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{373}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 98017920

約数和(自身を除く): 33618351

約数列:

[1, 3, 13, 19, 39, 57, 233, 247, 373, 699, 741, 1119, 3029, 4427, 4849, 7087, 9087, 13281, 14547, 21261, 57551, 86909, 92131, 172653, 260727, 276393, 1129817, 1651271, 3389451, 4953813, 21466523, 64399569]

約数ペア:

[(1, 64399569), (3, 21466523), (13, 4953813), (19, 3389451), (39, 1651271), (57, 1129817), (233, 276393), (247, 260727), (373, 172653), (699, 92131), (741, 86909), (1119, 57551), (3029, 21261), (4427, 14547), (4849, 13281), (7087, 9087)]