66217648

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2971}}^1$

素因数の和:3185

約数の個数: 40

約数和(自身を含む): 147411200

約数和(自身を除く): 81193552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1592, 2786, 2971, 3184, 5572, 5942, 11144, 11884, 20797, 22288, 23768, 41594, 47536, 83188, 166376, 332752, 591229, 1182458, 2364916, 4138603, 4729832, 8277206, 9459664, 16554412, 33108824, 66217648]

約数ペア:

[(1, 66217648), (2, 33108824), (4, 16554412), (7, 9459664), (8, 8277206), (14, 4729832), (16, 4138603), (28, 2364916), (56, 1182458), (112, 591229), (199, 332752), (398, 166376), (796, 83188), (1393, 47536), (1592, 41594), (2786, 23768), (2971, 22288), (3184, 20797), (5572, 11884), (5942, 11144)]