81149488

素因数分解:

$2^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1274

約数の個数: 60

約数和(自身を含む): 185110920

約数和(自身を除く): 103961432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 356, 392, 623, 712, 784, 1163, 1246, 1424, 2326, 2492, 4361, 4652, 4984, 8141, 8722, 9304, 9968, 16282, 17444, 18608, 32564, 34888, 56987, 65128, 69776, 103507, 113974, 130256, 207014, 227948, 414028, 455896, 724549, 828056, 911792, 1449098, 1656112, 2898196, 5071843, 5796392, 10143686, 11592784, 20287372, 40574744, 81149488]

約数ペア:

[(1, 81149488), (2, 40574744), (4, 20287372), (7, 11592784), (8, 10143686), (14, 5796392), (16, 5071843), (28, 2898196), (49, 1656112), (56, 1449098), (89, 911792), (98, 828056), (112, 724549), (178, 455896), (196, 414028), (356, 227948), (392, 207014), (623, 130256), (712, 113974), (784, 103507), (1163, 69776), (1246, 65128), (1424, 56987), (2326, 34888), (2492, 32564), (4361, 18608), (4652, 17444), (4984, 16282), (8141, 9968), (8722, 9304)]