31807888

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3191}}^1$

素因数の和:3295

約数の個数: 40

約数和(自身を含む): 71245440

約数和(自身を除く): 39437552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 3191, 4984, 6382, 9968, 12764, 22337, 25528, 44674, 51056, 89348, 178696, 283999, 357392, 567998, 1135996, 1987993, 2271992, 3975986, 4543984, 7951972, 15903944, 31807888]

約数ペア:

[(1, 31807888), (2, 15903944), (4, 7951972), (7, 4543984), (8, 3975986), (14, 2271992), (16, 1987993), (28, 1135996), (56, 567998), (89, 357392), (112, 283999), (178, 178696), (356, 89348), (623, 51056), (712, 44674), (1246, 25528), (1424, 22337), (2492, 12764), (3191, 9968), (4984, 6382)]