18889982881

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{367}}^1\times {\mathrm{907}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 24175986688

約数和(自身を除く): 5286003807

約数列:

[1, 7, 11, 67, 77, 121, 367, 469, 737, 847, 907, 2569, 4037, 5159, 6349, 8107, 9977, 24589, 28259, 44407, 56749, 60769, 69839, 109747, 172123, 270479, 310849, 332869, 425383, 668459, 768229, 1893353, 2330083, 2975269, 3661559, 4679213, 7353049, 20826883, 22302223, 25630913, 40277149, 51471343, 156115561, 245324453, 281940043, 1717271171, 2698568983, 18889982881]

約数ペア:

[(1, 18889982881), (7, 2698568983), (11, 1717271171), (67, 281940043), (77, 245324453), (121, 156115561), (367, 51471343), (469, 40277149), (737, 25630913), (847, 22302223), (907, 20826883), (2569, 7353049), (4037, 4679213), (5159, 3661559), (6349, 2975269), (8107, 2330083), (9977, 1893353), (24589, 768229), (28259, 668459), (44407, 425383), (56749, 332869), (60769, 310849), (69839, 270479), (109747, 172123)]