31156984

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1831

約数の個数: 32

約数和(自身を含む): 61165440

約数和(自身を除く): 30008456

約数列:

[1, 2, 4, 8, 31, 62, 73, 124, 146, 248, 292, 584, 1721, 2263, 3442, 4526, 6884, 9052, 13768, 18104, 53351, 106702, 125633, 213404, 251266, 426808, 502532, 1005064, 3894623, 7789246, 15578492, 31156984]

約数ペア:

[(1, 31156984), (2, 15578492), (4, 7789246), (8, 3894623), (31, 1005064), (62, 502532), (73, 426808), (124, 251266), (146, 213404), (248, 125633), (292, 106702), (584, 53351), (1721, 18104), (2263, 13768), (3442, 9052), (4526, 6884)]