81998850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{12713}}^1$

素因数の和:12771

約数の個数: 48

約数和(自身を含む): 208102752

約数和(自身を除く): 126103902

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3225, 6450, 12713, 25426, 38139, 63565, 76278, 127130, 190695, 317825, 381390, 546659, 635650, 953475, 1093318, 1639977, 1906950, 2733295, 3279954, 5466590, 8199885, 13666475, 16399770, 27332950, 40999425, 81998850]

約数ペア:

[(1, 81998850), (2, 40999425), (3, 27332950), (5, 16399770), (6, 13666475), (10, 8199885), (15, 5466590), (25, 3279954), (30, 2733295), (43, 1906950), (50, 1639977), (75, 1093318), (86, 953475), (129, 635650), (150, 546659), (215, 381390), (258, 317825), (430, 190695), (645, 127130), (1075, 76278), (1290, 63565), (2150, 38139), (3225, 25426), (6450, 12713)]