31871252

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{8689}}^1$

素因数の和:8831

約数の個数: 24

約数和(自身を含む): 64236480

約数和(自身を除く): 32365228

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 8689, 17378, 34756, 60823, 121646, 243292, 1138259, 2276518, 4553036, 7967813, 15935626, 31871252]

約数ペア:

[(1, 31871252), (2, 15935626), (4, 7967813), (7, 4553036), (14, 2276518), (28, 1138259), (131, 243292), (262, 121646), (524, 60823), (917, 34756), (1834, 17378), (3668, 8689)]