27980176

素因数分解:

$2^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:512

約数の個数: 60

約数和(自身を含む): 63930060

約数和(自身を除く): 35949884

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 356, 392, 401, 623, 712, 784, 802, 1246, 1424, 1604, 2492, 2807, 3208, 4361, 4984, 5614, 6416, 8722, 9968, 11228, 17444, 19649, 22456, 34888, 35689, 39298, 44912, 69776, 71378, 78596, 142756, 157192, 249823, 285512, 314384, 499646, 571024, 999292, 1748761, 1998584, 3497522, 3997168, 6995044, 13990088, 27980176]

約数ペア:

[(1, 27980176), (2, 13990088), (4, 6995044), (7, 3997168), (8, 3497522), (14, 1998584), (16, 1748761), (28, 999292), (49, 571024), (56, 499646), (89, 314384), (98, 285512), (112, 249823), (178, 157192), (196, 142756), (356, 78596), (392, 71378), (401, 69776), (623, 44912), (712, 39298), (784, 35689), (802, 34888), (1246, 22456), (1424, 19649), (1604, 17444), (2492, 11228), (2807, 9968), (3208, 8722), (4361, 6416), (4984, 5614)]