156699998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20023}}^1$

素因数の和:20088

約数の個数: 32

約数和(自身を含む): 296034816

約数和(自身を除く): 139334818

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 3913, 7826, 20023, 40046, 140161, 260299, 280322, 520598, 860989, 1721978, 1822093, 3644186, 6026923, 11192857, 12053846, 22385714, 78349999, 156699998]

約数ペア:

[(1, 156699998), (2, 78349999), (7, 22385714), (13, 12053846), (14, 11192857), (26, 6026923), (43, 3644186), (86, 1822093), (91, 1721978), (182, 860989), (301, 520598), (559, 280322), (602, 260299), (1118, 140161), (3913, 40046), (7826, 20023)]