213856553729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{192961}}^1$

素因数の和:193641

約数の個数: 32

約数和(自身を含む): 277494792960

約数和(自身を除く): 63638239231

約数列:

[1, 7, 13, 19, 91, 133, 247, 641, 1729, 4487, 8333, 12179, 58331, 85253, 158327, 192961, 1108289, 1350727, 2508493, 3666259, 17559451, 25663813, 47661367, 123688001, 333629569, 865816007, 1607944013, 2350072019, 11255608091, 16450504133, 30550936247, 213856553729]

約数ペア:

[(1, 213856553729), (7, 30550936247), (13, 16450504133), (19, 11255608091), (91, 2350072019), (133, 1607944013), (247, 865816007), (641, 333629569), (1729, 123688001), (4487, 47661367), (8333, 25663813), (12179, 17559451), (58331, 3666259), (85253, 2508493), (158327, 1350727), (192961, 1108289)]