31121784

素因数分解:

$2^3\times 3^2\times {\mathrm{571}}^1\times {\mathrm{757}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 84547320

約数和(自身を除く): 53425536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 571, 757, 1142, 1514, 1713, 2271, 2284, 3028, 3426, 4542, 4568, 5139, 6056, 6813, 6852, 9084, 10278, 13626, 13704, 18168, 20556, 27252, 41112, 54504, 432247, 864494, 1296741, 1728988, 2593482, 3457976, 3890223, 5186964, 7780446, 10373928, 15560892, 31121784]

約数ペア:

[(1, 31121784), (2, 15560892), (3, 10373928), (4, 7780446), (6, 5186964), (8, 3890223), (9, 3457976), (12, 2593482), (18, 1728988), (24, 1296741), (36, 864494), (72, 432247), (571, 54504), (757, 41112), (1142, 27252), (1514, 20556), (1713, 18168), (2271, 13704), (2284, 13626), (3028, 10278), (3426, 9084), (4542, 6852), (4568, 6813), (5139, 6056)]