68642821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2371}}^1$

素因数の和:2532

約数の個数: 16

約数和(自身を含む): 78902208

約数和(自身を除く): 10259387

約数列:

[1, 13, 17, 131, 221, 1703, 2227, 2371, 28951, 30823, 40307, 310601, 523991, 4037813, 5280217, 68642821]

約数ペア:

[(1, 68642821), (13, 5280217), (17, 4037813), (131, 523991), (221, 310601), (1703, 40307), (2227, 30823), (2371, 28951)]