72218692

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 156486400

約数和(自身を除く): 84267708

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 199, 364, 398, 796, 997, 1393, 1994, 2587, 2786, 3988, 5174, 5572, 6979, 10348, 12961, 13958, 18109, 25922, 27916, 36218, 51844, 72436, 90727, 181454, 198403, 362908, 396806, 793612, 1388821, 2579239, 2777642, 5158478, 5555284, 10316956, 18054673, 36109346, 72218692]

約数ペア:

[(1, 72218692), (2, 36109346), (4, 18054673), (7, 10316956), (13, 5555284), (14, 5158478), (26, 2777642), (28, 2579239), (52, 1388821), (91, 793612), (182, 396806), (199, 362908), (364, 198403), (398, 181454), (796, 90727), (997, 72436), (1393, 51844), (1994, 36218), (2587, 27916), (2786, 25922), (3988, 18109), (5174, 13958), (5572, 12961), (6979, 10348)]