72399782

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1999}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 134400000

約数和(自身を除く): 62000218

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 199, 398, 1393, 1999, 2587, 2786, 3998, 5174, 13993, 18109, 25987, 27986, 36218, 51974, 181909, 363818, 397801, 795602, 2784607, 5171413, 5569214, 10342826, 36199891, 72399782]

約数ペア:

[(1, 72399782), (2, 36199891), (7, 10342826), (13, 5569214), (14, 5171413), (26, 2784607), (91, 795602), (182, 397801), (199, 363818), (398, 181909), (1393, 51974), (1999, 36218), (2587, 27986), (2786, 25987), (3998, 18109), (5174, 13993)]